heading

Le NH-L9i est un ventirad silencieux haut de gamme pour CPU dédié aux systèmes HTPC et Small Form Factor intégrant le Intel LGA115x. Avec une hauteur extrêmement réduite (37mm), le NH-L9i est le compagnon idéal des boîtiers extrêmement fins. Quant à son encombrement de 95x95mm, il assure en outre une parfaite compatibilité avec les modules de RAM hauts et les cartes VGA présents sur les cartes mères mini-ITX. Grâce au système de fixation exclusif SecuFirm2™ pour LGA115x, l’installation devient un jeu d’enfant. Le ventilateur haut de gamme NF-A9x14 dont la vitesse peut être entièrement automatisée via PWM permet au NH-L9i de fonctionner avec un silence étonnant. Complété de la célèbre pâte thermique NT-H1, le NH-L9i réunit dans un format ultra réduit spécial HTPC, tous ce que les utilisateurs ont eu l’habitude d’attendre des ventirads Noctua plus imposants.
Le NH-L9i est un ventirad silencieux ultra compact de dimension réduite dédié aux petits boîtiers et aux HTPC. Malgré le niveau impressionnant de performance dans son domaine de prédilection, il n’est néanmoins pas adapté à l’overclocking et impose certaines précautions s’il est utilisé avec des processeurs ayant un TDP (Thermal Design Power) supérieur à 65W. Veuillez consulter notre liste de compatibilité CPU et guide TDP pour vérifier la compatibilité de votre CPU avec le NH-L9i.
Détails
Faible hauteur de 37mm

Faible hauteur de 37mm

Avec un radiateur mince de 23mm associé au ventilateur faible encombrement NF-A9x14 dont l'épaisseur n'excède pas 14mm, le NF-A9x14 offre une hauteur totale de seulement 37mm… autant d'atouts qui le rendent idéal pour les HTPC et les boîtiers Small Form Factor qui ne laissent que peu d'espace disponible pour le ventirad du CPU.
Compatibilité RAM totale

Compatibilité RAM totale

Le NH-L9i occupe un espace de 95x95mm, répondant ainsi parfaitement aux exigences du socket Intel LGA115x en terme d'occupation d'espace. Ceci signifie que vous n'aurez pas de problèmes d'encombrement malgré la proximité du dissipateur du chipset et des barrettes de RAM. La compatibilité reste maintenue même avec les barrettes de mémoire hautes.
Compatibilité totale avec les cartes VGA sur mini-ITX

Compatibilité totale avec les cartes VGA sur mini-ITX

La plupart des cartes mères mini-ITX (Intel LGA115x) intègrent le slot PCIe juste à côté de la zone dédiée au socket (95x95mm). Alors que les ventirads plus imposants débordent de la zone normale et empêchent ainsi l'utilisation du PCIe, l'encombrement du NH-L9i (95x95xmm) assure une parfaite compatibilité avec les cartes PCIe.
NF-A9x14 PWM : un ventilateur haute performance

NF-A9x14 PWM : un ventilateur haute performance

Le ventilateur NF-A9x14, qui bénéficie de nombreuses optimisations, est caractérisé par un cadre AAO - une exclusivité Noctua - ainsi par un design complexe offrant des performances aérodynamiques exceptionnelles. Compatible PWM (pilotage automatique de la vitesse), le NF-A9x14 permet au NH-L9i de rester étonnamment silencieux.
Adaptateur Faible Bruit

Adaptateur Faible Bruit

En offrant la possibilité de plafonner la vitesse maximale du NF-A9x14 (1800 tr/min au lieu de 2500 tr/min), l'adaptateur faible bruit (L.N.A.) permet d'obtenir des configurations quasi inaudibles avec les CPU ayant un TDP de moins de 65W.
Système de fixation exclusif SecuFirm2™ pour LGA115x

Système de fixation exclusif SecuFirm2™ pour LGA115x

Le NH-L9i est livré avec un système customisé SecuFirm2™ pour LGA115x dépourvu de contre-plaque arrière. Tout en conservant la qualité du célèbre système SecuFirm2™, cette particularité améliore encore la compatibilité avec les cartes mères mini-ITX et facilite plus que jamais l'installation.
Pâte thermique NT-H1

Pâte thermique NT-H1

Largement plébiscitée, la NT-H1 de Noctua est une solution TIM de haute technicité qui combine résistance thermique minimum, facilité d'application et incroyable fiabilité.
Garantie fabricant de 6 ans

Garantie fabricant de 6 ans

Les produits Noctua ont gagné une solide réputation pour leur grande qualité et leur longévité exceptionnelle. Tout comme l'ensemble des ventilateurs Noctua, le NF-A9x14 bénéficie d'un MTTF de plus de 150 000 heures de test et le pack NH-L9i est assorti d'une garantie fabricant de 6 ans.
NH-L9i
Général
Notes and warnings
Le NH-L9i est un ventirad silencieux ultra compact de dimension réduite dédié aux petits boîtiers et aux HTPC. Malgré le niveau impressionnant de performance dans son domaine de prédilection, il n’est néanmoins pas adapté à l’overclocking et impose certaines précautions s’il est utilisé avec des processeurs ayant un TDP (Thermal Design Power) supérieur à 65W. Veuillez consulter notre liste de compatibilité CPU et guide TDP pour vérifier la compatibilité de votre CPU avec le NH-L9i.
Spécifications radiateurrn
Intel LGA1150, LGA1151, LGA1155, LGA1156, AMD AM4 avec NM-AM4-L9aL9i
Hauteur (ventilateur non compris)
23 mm
Largeur (ventilateur non compris)
95 mm
Profondeur (ventilateur non compris)
95 mm
Hauteur (ventilateur compris)
37 mm
Largeur (ventilateur compris)
95 mm
Profondeur (ventilateur compris)
95 mm
Poids (ventilateur non compris)
345 g
Poids (ventilateur/s compris)
420 g
Matériau
cuivre (fond et caloducs), aluminium (plaques de refroidissement), soudé & nickelé
TDP max.
voir guide TDP
Dimensions du ventilateur
92x92x14mm, 92x92x25mm
Volume de livraison
  • Ventilateur haut de gamme NF-A9x14 PWM
  • Adaptateur Faible Bruit (L.N.A.)
  • Pâte thermique NT-H1
  • Système de fixation SecuFirm2™
  • Vis de fixation pour ventilateurs 92x92x25mm
  • Noctua Case-Badge en métal
Garantie
6 ans
Spécifications ventilateur
Modèle
Noctua NF-A9x14 PWM
Type roulements
Vitesse de rotation max. (+/-10%)
2500 RPM
Vitesse de rotation avec L.N.A. max. (+/-10%)
1800 RPM
Vitesse de rotation min. (PWM, +/-20%)
600 RPM
Niveau sonore max.
23,6 dB(A)
Niveau sonore avec L.N.A. max.
14,8 dB(A)
Puissance consommée
2,52 W
Tension
12 V
MTTF
> 150.000 h
NH-L9i
NH-L9i & NH-L9a
Video Reviews
The following video reviews have not been created by Noctua. Responsibility for the information and views expressed in the videos lies entirely with the authors.
language
language
language
language
24.01.2013 // Overclockers Club
test.gif

NH-L9i test

At stock speeds and voltages on the Core i7 2600K processor, Noctua's low profile NH-L9i was able to deliver a solid 13+% improvement of 10C, over the 73C load temperature delivered by the Intel box cooling solution. On top of that, it shaved 4C off the load temperature delivered by the the other low profile cooler in this comparison, the Phanteks TC90LS. With only a 65W TDP load capacity, these temperatures are a solid improvement when run on a higher wattage CPU than it is rated for. The other low profile solutions in the comparison failed to keep the CPU temps in check, with my overclocked settings. 96C is in no way kept in check, but at least Noctuas design kept the load temperature under 100C. It's not recommended to run that close to the TJ Max temp, but it was able to stay under that limit without throttling. A cooling solution for the overclocking enthusiast, the NH-L9i is not. Although some mild overclocking with a low wattage TDP processor might open some doors for this low profile solution. As it is, the Noctua NH-L9i plays well above its fighting weight when cooling a 95w TDP chip. Keeping that in mind the NH-L9i was able to deliver a 13+% improvement over the stock Intel box cooling solution when paired with my Core i7 2600K and it even out performed a competing solution by 4C running in the same configuration. Impressive to say the least from a 92x92mm cooler that stands only 37mm tall. As a low profile design, the NH-L9i is going to fit into a chassis that larger cooling solutions just cannot fit into. Perfect for a small form factor gaming rig or HTPC where space is at a premium. The compact footprint means you will not run into some of the challenges seen with larger solutions, that include fitment problems when running DRAM modules with large heat shields or space concerns with video cards that just get to close to the cooler. AMD fans will need to look elsewhere, as this cooler is going to work only with Intel LGA socket 115X motherboards and processors.
Verdict du test: "For $48 you get a cooling solution that just says quality through and through. A smooth base, well thought out mounting solution, nickel plated copper base and heat pipes, excellent thermal compound, low noise adapter, and a fan that is packed full of technology to reduce noise and increase static pressure and airflow, both desirable traits in a cooling solution. Low noise cooling is where Noctua excels. You get all this, a 6 year warranty, and more with the NH-L9i. So far, this is the best low profile small form factor cooler I have tested." (Frank Dimmick, Overclockers Club)
15.01.2013 // TweakTown.com
test.gif

NH-L9i test

Even with the TDP limitations of the NH-L9i, I am really pleased with the results it delivered. Comparing it head to head against the Phanteks, while it may have been cheaper, it doesn't test as well, doesn't have the ability to take on other fans, and frankly, doesn't look as good. There is a more solid feel, and as I like to describe it, a more professional grade feel to the Noctua solution. The thickness of the aluminum used in the fins is always thicker than most others, and almost nobody solders on heat pipes these days. Noctua seems to bend all the average manufacturers rules as they offer products that take the competition head on and seem to almost always prevail. With the NH-L9i things haven't changed, this is a really impressive solution. What impresses me even more is the shear amount of air flow and static pressure Noctua was able to pull out of this 14mm thick 92mm fan. I know most of you looked at that fan and thought that it really can't do much, it's just too tiny - well, Noctua definitely went to work with this new addition to their fan lineup. There really isn't a surface that is left untouched. The leading edge of the frame is made to allow a smoother inlet of air to the blades, and the insides of the frame have divots like a golf ball to disturb the air and keep it from staling near the frame. The shape of the blades is one thing, but there are grooves cut into each of them, and even the textured finish to the individual blades has its benefits. If you aren't really strapped down for room above this cooler, you always have the option to add a 25mm thick fan with the supplied hardware, and grab back a few more degrees as well. Noctua may not have made a cooler that everyone is going to rush out and have to buy one to put in their PCs as soon as possible, but that really wasn't the idea in the first place. Taking the idea of bringing what I already love about Noctua, the silence, better quality, and being simple to use and install, and shrinking all of that love into this tiny little package, it's just amazing to me. Noctua didn't see any reason to lower their standards just because things need to be small and low-profile to fit in the SSF chassis side of PC builds; those customers deserve the best just the same as the people who can use a D-14.
Verdict du test: "Noctua delivers the ultimate CPU cooling solution for those with serious clearance issues in their compact SFF PC build." (Chad Sebring, TweakTown.com)
11.12.2012 // CowcotLand.com
test.gif

NH-L9i test

Par rapport au radiateur stock Intel, le gain est appréciable, même en utilisant le module LNA du bundle, qui passe le ventilateur à 1800rpm. Les nuisances sonores baissent aussi largement, et deviennent plus que supportables, alors qu'en 12V, ça souffle plutôt fort. Pourtant, pour un slim de 92mm, les nuisances restent contenues, on pouvait craindre pire. Avec un minimum de 300rpm sur la plage PWM, il est plus que conseillé de prendre un peu de temps pour configurer le PWM, afin de profiter d'un radiateur vraiment silencieux, surtout si le processeur a un TDP plus faible que notre 3570, fixé à 77W.
Verdict du test: "Comme souvent avec Noctua, nous ne sommes pas déçus. La finition est exemplaire, le bundle complet, l'installation très simple, et le rapport performances / nuisances sonores est bon." (Sébastien Vandeborre, CowcotLand.com)
10.08.2016 // FunkyKit.com
test.gif

NH-L9i test

Noctua NH-L9i is high quality and well performing compact cooler. As I mentioned at the beginning of this review, not many similar coolers are available on the market and for sure not many can offer so high product quality. Everything looks great including package.
Verdict du test: "If you are looking for a compact cooler which can replace Intel reference solution but offers better quality, design and performance then Noctua NH-L9i is a product for you. It’s hard to find many other coolers which are as good for small builds and HTPC so of course NH-L9i deserves our recommendation!" (Bartosz Waluk, FunkyKit.com)
10.01.2013 // Custom PC March 2013
test.gif

NH-L9i test

The star of the show was the Noctua NH-L9i, which just made a light noise at full load with its fan at full speed, but was inaudible above the rest of the hardware in our test system when using its fan-speed reduction cable.
Verdict du test: "If low noise is a must then Noctua's NH-L9i is the leader of the pack. While it costs £15 more than the Arctic, it's quieter, smaller and less likely to present compatibility issues. We also consider it the best option for mini ITX boards." (Antony Leather, Custom PC March 2013)
27.12.2012 // ThinkComputers.org
test.gif

NH-L9i test

When we look at CPU coolers it normally comes down to the numbers, how well the cooler performs, but in the case of the Noctua NH-L9i we have to look at it a little bit differently. If you look at the results on the previous page they are nothing to write home about when compared to other coolers. But if you take into consideration the size of the NH-L9i, at only 37mm high and still able to keep our i7-3370K at a respectable temperature. That is pretty impressive. Even with the low noise adapter in use the temperatures were acceptable.
Verdict du test: "If you are building a small form factor system you should definitely consider this cooler." (Bob Buskirk, ThinkComputers.org)
22.12.2012 // eTeknix.com
test.gif

NH-L9i test

The NH-L9i has excellent cooling performance for the form factor, acoustics that make it ideal for a totally silent HTPC or SFF system and a price tag that is reasonable given how unique and innovative the product is. The chances are, if you’ve gone to the effort to make a super compact LGA 1155 based HTPC or SFF system, then having to spend a paltry £33 (when all the other components probably cost hundreds) is actually remarkably little.
Verdict du test: "I have really tried to find faults with this product, but I have failed more than Bulldozer in doing so. The NH-L9i is a product that delivers way more than you’d expect and serves a niche market beautifully well. For that reason I’ve decided to award the Noctua NH-L9i the eTeknix Editor’s Choice award." (Ryan Martin, eTeknix.com)
11.12.2012 // Radeon3d.org
test.gif

NH-L9i test

Noctua hat mit dem NH-L9 einen Low Profile CPU-Kühler auf den Markt gebracht, der seines gleichen sucht. Die Verarbeitung und der Lieferumfang lässt keine Wünsche offen. Die Verarbeitung des Kühlers ist sehr sauber, es gibt keine scharfe Kanten. Der Boden des Kühlers ist plan und frei von Rillen. Der Lüfter ist sehr kompakt und dank seines Rahmen noch zusätzlich entkoppelt. Zudem hat man das 20 cm lange Anschlusskabel mit PWM Stecker noch mit einem schwarzen Sleeve versehen. Beim Lieferumfang ist alles dabei was man benötigt. Neben einer High-End Wärmeleitpaste liegt noch ein sehr edles Case-Badge aus Metall mit bei. Die Montage des Kühler ist sehr einfach gehalten, auch kommt dieser nicht mit dem RAM oder der Grafikkarte in die Quere. Sieht man sich das Verhältnis aus Lautstärke und Kühlleistung an, so kann man den Boxed Kühler des CPU Herstellers getrost bei Seite legen. Auch hat der Test gezeigt das trotz maximaler 65 Watt TDP der NH-L9a eine CPU mit 95 Watt TDP gut kühlen kann. Hier kam die CPU beim offenen Testaufbau nicht über 42°C laut CoreTemp.
Verdict du test: " Der Noctua NH-L9 ist ein kompakter CPU-Kühler mit sehr guter Verarbeitung und gut ausgestattetem Lieferumfang bei sehr gutem Verhältnis aus Lautstärke und Kühlleistung. Zudem sollte er mit jedem Mainboard kompatible sein und kommt nicht dem RAM oder der Grafikkarte in die Quere. Deshalb bekommt der Noctua NH-L9 den Top Hardware Award verliehen." (Frank Hempel, Radeon3d.org)
28.11.2012 // HiTechLegion.com
test.gif

NH-L9i test

Performance of the Noctua NH-L9 was outstanding for such a low profile cooler. Temperatures at stock speeds on the 3570K were more than acceptable, while the G840 ran incredibly cool. The fan remained inaudible to ~2000rpm, but was clearly discernible at full speed. It’s easy to look at just the benchmark numbers and arrive at some type of opinion about a cooler. After all, cooling is their main, and basically only function. However, in the case of specialized coolers like the NH-L9 there are many more factors to consider. In true Noctua fashion, the NH-L9 addresses these factors head on and with the greatest of results. The cooling end of the NH-L9 may not look like any great achievement at first glance, but that first glance is deceptive. The big reason being the size of the coolers being compared. While the NH-L9 comes in at only 37mm tall while the next smallest comes in at 45mm, and the other two will not fit in an HTPC case with 50mm clearance at all. The ZT-560D actually stands over twice as tall as the NH-L9. While the 45mm cooler will fit in the HTPC case, it will have very little breathing room for cool air intake, while the NH-L9 will be breathing freely. This is what makes these benchmark numbers for the NH-L9 incredibly impressive. Since CPUs like a Pentium G840 or Core i3 are commonly used in HTPCs, we decided to start our testing there. The NH-L9 handled the G840 with ease, never coming close to getting anywhere near thermal limits and making a huge improvement over an included stock cooler. Moving up to the Core i5 3570K, the NH-L9 maintained its composure and kept the 77 watt processor nice and cool at stock speeds without a problem. It is important to note that Noctua states directly that the NH-L9 is not to be used for overclocking, and the statement holds true. A small OC on the 3570K sent temperatures escalating, but this is not the intended purpose of the NH-L9. Though small, the NH-L9 has the fantastic build quality you would expect from a Noctua cooler. The two heat pipes are clearly visible through a very sturdy heavy gauge aluminum fin array, and there is not a sharp corner anywhere. The fan mounts simply and securely, and has excellent rigidity for a slim fan. Installation could not be simpler, and literally requires simply tightening four screws.
Verdict du test: "Noctua has another top quality product in the NH-L9, and it is easily a top choice for tight small form factor applications. Cooling is outstanding for such a small cooler, easily competing with much larger pieces. The fan does become audible at full speed, but is near silent at speeds below ~2000rpm with barely a noticeable difference in performance. The Noctua NH-L9 offers everything you could possibly ask for in an HTPC CPU cooler; small height, easy installation, excellent cooling on stock CPUs below 77 watts and near silent performance." (George Cella, HiTechLegion.com)
23.11.2012 // SilentPCReview.com
test.gif

NH-L9i test

The 92 mm stock fan had excellent acoustics, producing a very smooth profile. Aside from turbulence at higher speeds, the sound generated was pleasant throughout the range we tested and we didn't perceive any tonality. [...] For such a short heatsink, simply surviving our test without our overclocked/overvolted CPU throttling is in accomplishment. The NH-L9i performed fairly well, staying 20°C below the throttling point at the lowest tested speed. [...] Given its size, the NH-L9i was easily dominated by most of the heatsinks we've tested in the past. But compared to coolers with similar size profiles, the NH-L9i came out on top
Verdict du test: "When you take into account that the NH-L9i is a mere 37 mm tall, its performance seems rather impressive. Additionally, unlike the NH-L12 and Scythe Big Shuriken 2, it doesn't interfere with the PCI-E 16x slot on most Intel LGA1155 mini-ITX motherboards. [...] The NH-L9i primary advantage lies in its acoustics; its fan sounds incredibly smooth compared to the more buzzy Scythe model. The NH-L9i is also 3 mm shorter, giving it a slight edge in compatibility" (Lawrence Lee, SilentPCReview.com)

NM-AM4-L9aL9i mounting-kit

  • Le kit de montage NM-AM4-L9aL9i SecuFirm2™ rend les radiateurs de processeurs Noctua NH-L9a et NH-L9i compatibles avec le socket AMD AM4.
NH-L9i

NA-FC1

  • Contrôleur de vitesse compact, ultra flexible pour ventilateurs PWM 4 broches
NH-L9i

NA-SEC1

  • Câbles-rallonges 4-broches
NH-L9i

Instructions de montage (PDF)

Feuille d'informations (PDF)

FAQs

Is the NH-L9i compatible with the Gigabyte GA-H77N-WIFI and GA-Z77N-WIFI?

How should I clean my Noctua cooler?

What Thermal Design Power (TDP) is this cooler recommended for and how much Watt (W) of heat can it dissipate?

My case supports CPU coolers of up to XXXmm height, which model should I choose?

I have difficulties installing the cooler, can you help?

How much torque should be applied when tightening the screws of a Noctua CPU cooler?

How can I determine if the motherboard’s UEFI BIOS is overclocking my processor by default and deactivate this automatic overclocking?

Can I install a Noctua cooler in my system from Acer, Dell, HP or Lenovo?

Can I upgrade my existing Noctua cooler to socket TR4 or SP3?

I get a CPU fan error using my Noctua PWM fan, is it faulty?

My Noctua PWM fan starts to spin when the PC boots but then stops, what is wrong?

My Noctua PWM fan runs at a much higher minimum speed than advertised, what is wrong?

I'm experiencing fan speed issues with my motherboard from Supermicro, what can I do?

The mounting brackets don’t touch the mainboard, is this an issue?

I get a CPU fan error despite the fan is running!

My Intel -K series CPU is running too hot although my heatsink supports the specified TDP, what's the problem?

Can the NH-L9i be used on AM4?

Quels ventirads Noctua sont compatibles avec le LGA1150 ?

Should I take the cooler off before transporting my system?

I’ve used all the NT-H1 thermal compound that came with the cooler, can you send me more?

Is the cooler compatible with the LGA1151 socket?

Pourquoi le fond du refroidisseur Noctua n'est-il pas brillanté et poli ?

Which sockets are supported or can be supported using upgrade kits?

My unlocked Intel CPU is running too hot although my heatsink supports the specified TDP, what's the problem?

Can I keep using the backplate / mounting system of my previous Noctua cooler for my new one?

Which Noctua CPU coolers are compatible with Intel LGA2066?

Which Noctua CPU coolers are compatible with AMD AM4 (Ryzen)?

Which Noctua fan or CPU cooler should I buy? How to choose the right model?

Is the NH-L9i compatible with the Gigabyte GA-H77N-WIFI and GA-Z77N-WIFI?

Yes, after a slight revision, the NH-L9i is now fully compatible with these mainboards.

How should I clean my Noctua cooler?

Dust: Fans and heatsinks inside computer cases tend to accumulate dust over longer periods of usage. In order to maintain maximum performance, please clean your fan and heatsink regularly. For cleaning, please first remove the fan from the heatsink and clean it using a duster, slightly moist tissue or canned air. Please be careful not to use too much force in order to prevent any damage to the fan. Please do not use a vacuum cleaner as this may apply excessive force to the fan and do not put the fan under running water as water residues inside the motor may lead to short circuits. Please also note that the fan is not designed to be taken apart by the user. Removing the impeller from the frame will break the sealing of the bearing and results in a loss of warranty. Before reinstalling the fan, clean the heatsink itself with a duster or vacuum cleaner. Do not use water to clean the cooler. Finally put the fan back on and connect it to your motherboard fan header or fan controller.
Thermal paste residues: Whenever you take off the heatsink from the CPU, we recommend to clean the CPU as well as the base of the cooler before re-applying thermal paste and re-installing the cooler. You can either just wipe the base and the CPU clean with a dry, lint-free tissue or, for more thorough cleaning, use a lint-free tissue moistened with either a mild solution of washing-up liquid or isopropyl alcohol. Do not put the cooler or CPU under running water. Note that both the base of the heatsink and the CPU should be dry, free from residues of thermal compound and free from grease before re-applying thermal paste and re-installing the cooler.

What Thermal Design Power (TDP) is this cooler recommended for and how much Watt (W) of heat can it dissipate?

Please refer to our TDP guide for information on maximum recommended TDP and heat dissipation.

My case supports CPU coolers of up to XXXmm height, which model should I choose?

Please refer to our TDP guide in order to select the cooler that offers the best cooling performance at a given height.

I have difficulties installing the cooler, can you help?

Please refer to the installation manual and our video installation guides for detailed instructions on how to install the cooler.

How much torque should be applied when tightening the screws of a Noctua CPU cooler?

All screws should be tightened gently until they stop without using excessive force. Please do not exceed the following values for maximum tightening torque:
Screw typeMax. torque
NM-SSC1 screws for fixing the fastening brackets to the base of the heatsink0.5 Nm
NM-ITS1 thumb screws for fixing Intel mounting bars0.5 Nm
NM-ALS1 screws for fixing AMD mounting bars0.6 Nm
Spring-loaded screws for fixing the heatsink to the mounting bars0.6 Nm

How can I determine if the motherboard’s UEFI BIOS is overclocking my processor by default and deactivate this automatic overclocking?

Most motherboard vendors allow their overclocking-enabled products (e.g. those with Intels X- or Z-series chipsets) to run the processor at increased clock speeds by default, without requiring any user action at all. Since TDP (Thermal Design Power) limits are usually also disabled by default, this leads to the CPU exceeding the rated TDP to a varying degree, depending on the used applications and their workloads. Due to the increased heat output of the CPU, you may see higher CPU temperatures than expected.

In order to find out if your motherboard is overclocking your processor by default, please enter the UEFI BIOS and select the “advanced” or “overclocking” menu. There you should be able to find options such as “MultiCore Enhancement” (options: enabled/disabled), “CPU Ratio Apply Mode” (options: all/per core) or similar. To disable the automatic overclocking, adjust the settings either to “disabled” or “per core” and make sure that the individual multipliers match the original specifications.

In doubt, please contact your motherboard vendor for detailed instructions on how to disable this feature.

Can I install a Noctua cooler in my system from Acer, Dell, HP or Lenovo?

Systems from Acer, Apple, Dell, HP, Lenovo or other major brands often use motherboards which differ slightly from the specifications issued by Intel and AMD. While those changes are usually subtle, they can lead to compatibility issues with coolers that were built to comply with these specifications.

Even in case the cooler is mechanically compatible and can be installed, other issues can occur, e.g. proprietary fan connectors, BIOS errors due to a low fan speed, shutdowns, etc. Some of these problems can be avoided with some technical knowledge, but especially BIOS related issues can often not be resolved.

Due to the large number of possible issues that cannot be resolved with different mounting parts alone, Noctua does not officially support systems from Acer, Apple, Dell, HP, Lenovo or other major brands.

Can I upgrade my existing Noctua cooler to socket TR4 or SP3?

Unfortunately, it is not possible to upgrade existing Noctua heatsinks to support the AMD TR4 and SP3 sockets for Ryzen Threadripper (X399) and Epyc CPUs. TR4/SP3 CPUs have much bigger heatspreaders (as compared to e.g. LGA2066 or AM4 processors) and the contact surfaces of standard Noctua heatsinks would cover only about half of these heatspreaders, which would result in insufficient cooling performance. On top of that, the heatpipes of bigger cooler models like the NH-D15 or NH-D15S would completely block the RAM slots on many TR4/SP3 motherboards. For this reason, Noctua has introduced the new NH-U14S TR4-SP3, NH-U12S TR4-SP3 and NH-U9 TR4-SP3 cooler models that feature bigger contact surfaces and have been tailored to fit TR4 and SP3 systems. Please choose these models for AMD Ryzen Threadripper and Epyc systems.

I get a CPU fan error using my Noctua PWM fan, is it faulty?

Noctua PWM fans feature a minimum speed of 300rpm to allow for ultra quiet operation when your CPU is at idle state and doesn’t require higher cooling performance. Some mainboards display error messages such as “CPU fan error” during the booting process when the fan speed is below a certain level. If you get such error messages using your Noctua PWM fan and if such options are available in your BIOS, please either adjust the minimum fan speed monitoring limit to 200rpm or increase the minimum PWM duty cycle. If your BIOS doesn’t offer these options, please disable CPU fan errors. For detailed information on BIOS fan settings, please consult your mainoard’s manual or contact your mainboard manufacturer.

My Noctua PWM fan starts to spin when the PC boots but then stops, what is wrong?

Some mainboards feature 4-pin fan headers that actually don‘t use a PWM signal on Pin 4 to control the fan speed but rather reduce the voltage on Pin 2 (like a standard 3-pin fan header). In this case, it may occur that the mainboard reduces the voltage so much that the fan stops. Please refer to your mainboard manual to check whether or not your mainboard has 4-pin fan headers that control the fan speed by reducing voltage on Pin 2 rather than by changing the PWM duty cycle on Pin 4:

4 pin fan header types

Note that mainboard manufacturers use different terms to indicate that Pin 4 is not being used for PWM control (e.g. “+5V”, “VCC” or “NC”), but if one of these terms is used, you can be sure that the fan header does not support PWM. If Pin 4 is described as “Speed Control” or “PWM” or the like, you can be sure that the fan header supports PWM.

Unfortunately, the description of Pin 2 is not always a clear indication as some manufacturers use terms such as “Fan PWR” or “Power” for both types of fan headers. However, if Pin 2 is described as “Speed Control”, you can also be sure that the fan header does not support PWM based speed control. If Pin 2 is described as “+12V”, this is a clear indication that the fan header supports PWM.

Please also note that in some cases, the descriptions of the pin layouts in the mainboard manuals may not be correct and some models actually allow you to switch the fan headers from voltage control mode to PWM control mode in the BIOS even though the pin descriptions do not indicate PWM support. We thus recommend to look for these options in the BIOS before taking other measures. In case of doubt, please contact your mainboard manufacturer.



To resolve the issue, you can:

  1. Choose a higher fan speed profile in the BIOS (e.g. „normal“ instead of „silent“, etc.) or deactivate automatic fan speed control and use a Low-Noise Adaptor instead.

  2. Use the mainboard‘s fan speed control software or 3rd party tools like Speedfan to regulate the fan speed. Unlike BIOS based fan speed control, the supplied software usually checks whether the fan has stopped and increases voltage accordingly or at least offer more options to set up the fan properly.

  3. If your mainboard features other 4-pin fan headers that use PWM for speed control, you can run multiple fans from these headers using Y-split cables. Make sure not to exceed the specified maximum power draw of the fan headers (usually 10-12W) though.

My Noctua PWM fan runs at a much higher minimum speed than advertised, what is wrong?

The specified minimum speed refers to the speed at 20% PWM duty cycle. There can be several reasons why the fan doesn‘t go as low as indicated:

  1. Many mainboards do not go below 40%, 50% or even 60% PWM duty cycle on case fan headers. Please refer to your mainboard manual to verify whether the fan header actually goes down to 20% duty cycle. If that's not the case, in some cases you can use the fan speed control software supplied with your mainboard to overcome these limitations and reduce the fan speed even further. However, 3rd party tools like SpeedFan offer greater flexibility and better options to work around the limitations imposed by the mainboard vendors.

  2. Some mainboards feature 4-pin fan headers that actually don‘t use a PWM signal on Pin 4 to control the fan speed but rather reduce the voltage on Pin 2 (like a standard 3-pin fan header). As the fan speed at minimum voltage is usually higher than the speed at 20% PWM duty cycle, the fan can not reach as low minimum speeds under voltage control as under PWM control. Please refer to your mainboard manual to check whether or not your mainboard has 4-pin fan headers that control the fan speed by reducing voltage on Pin 2 rather than by changing the PWM duty cycle on Pin 4:

    4 pin fan header types

    Note that mainboard manufacturers use different terms to indicate that Pin 4 is not being used for PWM control (e.g. “+5V”, “VCC” or “NC”), but if one of these terms is used, you can be sure that the fan header does not support PWM. If Pin 4 is described as “Speed Control” or “PWM” or the like, you can be sure that the fan header supports PWM.

    Unfortunately, the description of Pin 2 is not always a clear indication as some manufacturers use terms such as “Fan PWR” or “Power” for both types of fan headers. However, if Pin 2 is described as “Speed Control”, you can also be sure that the fan header does not support PWM based speed control. If Pin 2 is described as “+12V”, this is a clear indication that the fan header supports PWM.

    Please also note that in some cases, the descriptions of the pin layouts in the mainboard manuals may not be correct and some models actually allow you to switch the fan headers from voltage control mode to PWM control mode in the BIOS even though the pin descriptions do not indicate PWM support. We thus recommend to look for these options in the BIOS before taking other measures. In case of doubt, please contact your mainboard manufacturer.


    If your mainboard features other 4-pin fan headers that use PWM for speed control, you can run multiple fans from these headers using Y-split cables. Make sure not to exceed the specified maximum power draw of the fan headers (usually 10-12W) though.

I'm experiencing fan speed issues with my motherboard from Supermicro, what can I do?

The BIOS of many motherboard models from Supermicro expects a certain minimum fan speed (usually 700rpm), which is higher than the minimum fan speed that can be achieved with Noctua's PWM fan models. The BIOS may interpret the low minimum RPM of Noctua fans as a fan error and thus try to run the fan at 100% for a short period before going back to automatic control.. This can result in oscillating fan speeds and fan speed warnings in the BIOS or the fan management console.

Unfortunately there is usually no option to set a lower minimum value that would suit the low minimum speed of Noctua PWM fans.The issue can thus only be resolved by either disabling automatic fan speed control in BIOS, which will cause the fans to run at a constant speed, or by requesting a modified BIOS file from Supermicro, which takes the minimum fan speed of Noctua fans into account (charges might apply).

The mounting brackets don’t touch the mainboard, is this an issue?

No. The mounting brackets are not meant to touch the mainboard and the flexibility of the brackets is required to create the appropriate contact pressure. There should be up to 3mm (Intel) or 4mm (AMD) space between the mainboard and the mounting brackets when the cooler is correctly installed.

nh-l9 mounting bar spacing

I get a CPU fan error despite the fan is running!

Some mainboards display a CPU fan error when the fan speed falls below a certain threshold, e.g. 900rpm. If you want to run the fan below this speed (e.g. using the supplied U.L.N.A.), please adjust the threshold in the BIOS or disable CPU fan error warning.

My Intel -K series CPU is running too hot although my heatsink supports the specified TDP, what's the problem?

Intel's unlocked CPUs (K, X and C suffix) can dissipate more heat than indicated by the TDP specification if
  1. the TDP limits are extended or disabled in the motherboards' BIOS.
  2. the motherboard applies automatic overclocking by default, e.g. by raising the supply voltage of the CPU and using higher Turbo-Mode multipliers.
  3. some software creates untypical loads, e.g. Prime95 with AVX2 support and a) and/or b) apply.

This can lead to temperature issues, especially when using smaller coolers or compact cases.

The actual power draw of the processor can be monitored with software provided by the motherboard vendor or with 3rd party tools like HWInfo or HWMonitor.

If you encounter temperature issues (>90°C) and notice a higher than specified power draw, please ensure that no automatic overclocking is applied and limit the TDP to the specified value by choosing appropriate BIOS settings.

For Kaby Lake CPUs, it may also help to lower the CPU clock speed for applications that heavily use the AVX instruction set, which can lead to higher loads and power draw. This option is usually referred to as “AVX offset” and makes it possible to lower the multiplier specifically for AVX based applications without reducing performance when using other instruction sets. Depending on the quality of the CPU and the programs being used, a reduction of 2-3 steps usually gives very good results.

Please contact your motherboard vendor for details if you have trouble finding the appropriate settings in the BIOS.

All our TDP recommendations are based on thorough testing with the default values specified by Intel using popular applications such as Asus Realbench and prime95. Please note, however, that prime95 creates a particularly high load that goes beyond typical application scenarios and this leads to elevated temperatures. We thus recommend using other programs such as Realbench for checking the stability and temperatures of the CPU in realistic scenarios.

Can the NH-L9i be used on AM4?

The NH-L9i has been designed for the Intel LGA115x platform. While it can be installed without any problems on most AM4 motherboards using the NM-AM4-L9aL9i kit, it is possible that it may not fit in some cases. Therefore, please be extra careful when installing the NH-L9i on AM4 and verify that the cooler doesn’t press against any other components.

Please also note that there has been a minor revision of the NH-L9i heatsink in April 2013 (see illustration below). Since this revision, the heatsink features a cut-out on one side in order to provide better clearance for tall motherboard components. If you install the cooler on an AM4 motherboard that has tall components close to the socket and if your heatsink has the cut-out, you can orient the cooler in such a way that the cut-out is above the components in order to maximise clearance. Regardless of whether or not your heatsink has the cut-out, please carefully double check that it doesn’t press against any components!

NH-L9i revisions on AM4

Quels ventirads Noctua sont compatibles avec le LGA1150 ?

"Le système de fixation est identique sur l'ensemble des sockets LGA115x (LGA1150, LGA1155, LGA1156). Les ventirads suivants sont donc immédiatement compatibles avec le LGA1150 et ne nécessitent aucun accessoire ni mise à jour pour une utilisation sur cette plateforme : NH-C12P SE14, NH-C14, NH-D15, NH-D14, NH-L12, NH-L9i, NH-U14S, NH-U12S, NH-U12P SE2, NH-U9B SE2. Les modèles plus anciens ayant été modifiés via le kit NM-I3 sont par ailleurs directement utilisable avec le LGA1150 et ne nécessitent donc aucune mise à jour additionnelle.

Les ventirads suivants peuvent devenir compatibles avec le LGA1150 via l’utilisation du kit NM-i115x et bénéficient de l’offre de gratuité Noctua pour le kit : NH-C12P, NH-U12, NH-U12F, NH-U12P, NH-U12P SE1366, NH-U9, NH-U9F, NH-U9B.

Les ventirads suivants peuvent devenir compatibles avec LGA1150 via l’utilisation du kit NM-i115x mais ne bénéficient pas de l’offre de gratuité Noctua pour le kit : DX-Series Xeon coolers, NH-D14 SE2011.

Les ventirads suivants ne sont pas, pour des raisons mécaniques, compatibles avec le kit NM-i115x et ne peuvent jouir d’une compatibilité avec le LGA1150: Série DO, ventirads pour AMD Opteron et NH-L9a.

Should I take the cooler off before transporting my system?

Due to the low weight of the cooler, it is not necessary to take it off for transport.

I’ve used all the NT-H1 thermal compound that came with the cooler, can you send me more?

Please kindly note that the NT-H1 thermal compound supplied with our coolers is a consumable item so our manufacturer’s warranty does not include providing additional thermal compound. You can purchase NT-H1 from our resellers.

Is the cooler compatible with the LGA1151 socket?

Yes. Due to the heatsink mounting mechanism being identical on LGA1150, LGA1151, LGA1155 and LGA1156, the cooler also supports LGA1151.

Pourquoi le fond du refroidisseur Noctua n'est-il pas brillanté et poli ?

Etant donné que la plupart des enthousiastes d'ordinateurs personnels utilise encore aujourd'hui des pâtes thermiques à forte viscosité, le fond du refroidisseur Noctua a été optimisé pour l'utilisation de ces pâtes. Les fines rainures (micro-grooves) dans la surface du fond du refroidisseur Noctua permettent d'appliquer les pâtes thermiques à forte viscosité de manière homogène en une couche ultramince et sans aucune inclusion d'air n'existe entre le refroidisseur et la processeur central. Le risque d'une application non homogène serait beaucoup plus élevé si la surface était brillantée et polie. Des couches de pâte thermique trop épaisses et des inclusions d'air altérant sensiblement la transmission calorifique, les micro-rainures sont d'une importance décisive pour la performance de refroidissement totale du refroidisseur Noctua en cas d'utilisation des pâtes thermiques courantes à forte viscosité.

Which sockets are supported or can be supported using upgrade kits?

Please refer to our socket compatibility chart.

My unlocked Intel CPU is running too hot although my heatsink supports the specified TDP, what's the problem?

Intel's unlocked CPUs (K, X and C suffix) can dissipate more heat than indicated by the TDP specification if
  1. the TDP limits are extended or disabled in the motherboards' BIOS.
  2. the motherboard applies automatic overclocking by default, e.g. by raising the supply voltage of the CPU and using higher Turbo-Mode multipliers.
  3. some software creates untypical loads, e.g. Prime95 with AVX2 support and a) and/or b) apply.

This can lead to temperature issues, especially when using smaller coolers or compact cases.

The actual power draw of the processor can be monitored with software provided by the motherboard vendor or with 3rd party tools like HWInfo or HWMonitor.

If you encounter temperature issues (>90°C) and notice a higher than specified power draw, please ensure that no automatic overclocking is applied and limit the TDP to the specified value by choosing appropriate BIOS settings.

For Kaby Lake CPUs, it may also help to lower the CPU clock speed for applications that heavily use the AVX instruction set, which can lead to higher loads and power draw. This option is usually referred to as “AVX offset” and makes it possible to lower the multiplier specifically for AVX based applications without reducing performance when using other instruction sets. Depending on the quality of the CPU and the programs being used, a reduction of 2-3 steps usually gives very good results.

Please contact your motherboard vendor for details if you have trouble finding the appropriate settings in the BIOS.

All our TDP recommendations are based on thorough testing with the default values specified by Intel using popular applications such as Asus Realbench and prime95. Please note, however, that prime95 creates a particularly high load that goes beyond typical application scenarios and this leads to elevated temperatures. We thus recommend using other programs such as Realbench for checking the stability and temperatures of the CPU in realistic scenarios.

Can I keep using the backplate / mounting system of my previous Noctua cooler for my new one?

Most Noctua SecuFirm™ mounting parts are cross-compatible, so if you’re replacing one Noctua cooler with another, it is usually possible to keep the original backplate and/or mounting system in place in order to re-use it for the new cooler. If you had your previous Noctua cooler installed on an Intel LGA115x (LGA1156, LGA1155, LGA1151, LGA1150), LGA2011 (LGA2011-0, LGA2011-3) or LGA1366 system and replace it with an NH-U14S, NH-U12S or NH-U9S, you only need to replace the original mounting bars with the NM-IMB3 ones supplied with the new cooler. For all other models, you can keep the entire mounting system in place on the aforementioned Intel sockets. On AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+, you only need to replace the original mounting bars with the ones supplied with the new cooler.

Which Noctua CPU coolers are compatible with Intel LGA2066?

Due to the heatsink mounting mechanism being identical on LGA2011 and LGA2066, Noctua’s SecuFirm2™ mounting systems for LGA2011 also support Intel’s upcoming ‘Basin Falls’ X299 HEDT (High End Desktop) platform for ‘Skylake-X’ and ‘Kaby Lake-X’ processors. Most current Noctua coolers already include SecuFirm2™ mounting systems for LGA2011 and can thus be used on LGA2066 motherboards without any upgrades or modifications.

The following models include a mounting-kit for socket LGA2011/2066 and are thus compatible out of the box:

NH-C14S
NH-D14 SE2011
NH-D15
NH-D15S
NH-D9L
NH-L12
NH-L9x65
NH-U12S
NH-U12DX i4
NH-U14S
NH-U9DX i4
NH-U9S

The following models can be made compatible with the LGA2011/LGA2066 sockets free of charge using the NM-I2011 upgrade-kit:

NH-C12P
NH-C12P SE14
NH-C14
NH-D14
NH-D15 SE-AM4
NH-U12S SE-AM4
NH-L9x65 SE-AM4
NH-U12
NH-U12F
NH-U12P
NH-U12P SE1366
NH-U12P SE2
NH-U9
NH-U9B
NH-U9B SE2
NH-U9F

The following models can be made compatible with the LGA2011/LGA2066 sockets using the NM-I2011 upgrade-kit but are not eligible for Noctua‘s free mounting offer, so users have to purchase the kit at local resellers:

NH-U12DO (Note that the A3 version is not compatible!)
NH-U12DX
NH-U12DX 1366
NH-U9DX 1366
NH-U9DO (Note that the A3 version is not compatible!)

The following models are not compatible with the LGA2011/LGA2066 sockets and can not be upgraded:

NH-L9a
NH-L9i
NH-U12DO A3
NH-U9DO A3

Which Noctua CPU coolers are compatible with AMD AM4 (Ryzen)?

The following models include a mounting-kit for socket AM4 and are thus compatible out of the box:

NH-D15 SE-AM4
NH-U12S SE-AM4
NH-L12S
NH-L9x65 SE-AM4
NH-L9a-AM4

The following models can be made compatible with the AM4 socket free of charge using the NM-AM4 upgrade-kit:

NH-C12P
NH-C12P SE14
NH-C14
NH-C14S
NH-D14
NH-D14 SE2011
NH-D15
NH-D15S
NH-D9L
NH-L12
NH-L9x65
NH-U12
NH-U12F
NH-U12P
NH-U12P SE1366
NH-U12P SE2
NH-U9
NH-U9B
NH-U9B SE2
NH-U9F

The following models can be made compatible with the AM4 socket free of charge using the NM-AM4-UxS upgrade-kit:

NH-U14S
NH-U12S
NH-U9S

The following models can be made compatible with the AM4 socket free of charge using the NM-AM4-L9aL9i upgrade-kit:

NH-L9a
NH-L9i

The following models can be made compatible with the AM4 socket using the NM-AM4 upgrade-kit but are not eligible for Noctua‘s free mounting offer, so users have to purchase the kit at local resellers:

NH-U12DO (Note that the A3 version is not compatible!)
NH-U12DX
NH-U12DX 1366
NH-U12DX i4
NH-U9DX i4
NH-U9DX 1366
NH-U9DO (Note that the A3 version is not compatible!)

The following models are not compatible with the AM4 socket and can not be upgraded:

NH-U14S TR4-SP3
NH-U12S TR4-SP3
NH-U9 TR4-SP3
NH-U12DO A3
NH-U9 DO A3

Which Noctua fan or CPU cooler should I buy? How to choose the right model?

Not sure which Noctua product to buy? Our detailed buying guides for fans and CPU coolers help you to choose the model that works best for you.

Avez-vous une question sur un de nos produits ? Veuillez utiliser ce formulaire pour poser une question !