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Le célèbre modèle NF-P12, spécialement conçu pour les applications requérant une forte pression telles que le refroidissement des CPU ou des radiateurs, est depuis longtemps une référence pour les passionnés du monde entier et a permis à Noctua d’asseoir sa réputation pour devenir un des leaders du marché des composants haut de gamme pour refroidissement silencieux. La toute nouvelle série redux redonne vie à ce célèbre modèle grâce à une offre étudiée à prix modéré et qui se concentre sur l’essentiel : le ventilateur haut de gamme NF-P12. Le NF-P12 redux est équipé d’un roulement de qualité industrielle - le SSO Bearing – et peut se vanter d’un MTTF de 150.000 heures ; complété d’une garantie constructeur de 6 ans, ce modèle premium s’impose et permet d’accéder à la qualité Noctua à un prix attractif. La version 1300 tr./min. PWM est assortie du circuit électronique NE-FD1 PWM IC permettant le pilotage automatique de la vitesse ; il offre en toutes circonstances un compromis parfait entre performance de refroidissement et discrétion sonore.
Détails
Le NF-P12 : un concept qui a fait ses preuves

Le NF-P12 : un concept qui a fait ses preuves

Des dizaines de milliers de passionnés du refroidissement silencieux issus du monde entier ne jurent que par le célèbre NF-P12 de Noctua. Grâce à son silence exceptionnel, sa performance de haut vol ainsi qu'une qualité sans faille, le NF-S12B P12 devenu LA référence du ventilateur silencieux 120mm.
La série redux : juste l'essentiel…

La série redux : juste l'essentiel…

La série redux assure le renouveau de certains produits phares Noctua grâce à une offre à prix étudié concentrée sur l'essentiel. Tous les produits de la série redux offre une excellente longévité et répondent, en termes de qualité, aux standards industriels. Tous ont permis à Noctua d'asseoir sa réputation pour devenir un des leaders du marché des composants haut de gamme pour refroidissement silencieux.
Conception à neuf pales pour une pression renforcée

Conception à neuf pales pour une pression renforcée

Spécialement étudié pour les environnements exigeant une pression élevée (ventirads pour CPU, radiateurs pour refroidissement à eau ou boitiers avec grilles d'aération étroites), les neuf pales du NF-P12 délivrent une pression hors norme et un flux imposant.
Vortex-Control Notches (Fentes Vortex-Control)

Vortex-Control Notches (Fentes Vortex-Control)

Les fentes Vortex-Control, qui demeurent une exclusivité Noctua, assurent une dispersion des vortex se développant en bout de pale et répartissent ainsi les émissions sonores sur une plage de fréquences plus large. Ce dispositif permet de générer un son plus plaisant à l'oreille humaine.
Système exclusif PWM IC avec SCD

Système exclusif PWM IC avec SCD

Compatible avec les systèmes de contrôle de vitesse automatisé PWM, le ventilateur est pourvu du tout dernier circuit NE-FD1 PWM IC qui intègre la technologie SCD (Smooth Commutation Drive). En générant des impulsions de couple moins brutales, le SCD élimine les nuisances sonores liées aux commutations du PWM pour une ventilation moins bruyante à vitesse réduite.
PWM à 0%: arrêt

PWM à 0%: arrêt

Lorsque le ventilateur est réglé sur un rapport de cycle PWM de 0%, que ce soit via la carte mère ou un contrôleur de ventilation PWM, il s’arrête. Ceci permet de créer des configurations avec un refroidissement semi passif qui permet l’arrêt automatique des ventilateurs – pour assurer ainsi un fonctionnement totalement silencieux – en fonction des sollicitations et des niveaux de température.
Smooth Commutation Drive 2

Smooth Commutation Drive 2

La dernière version du système Smooth Commutation Drive de Noctua garantit un fonctionnement tout en douceur grâce à l'élimination des variations de couple et des bruits de commutations. Le ventilateur devient ainsi très discret, même à proximité.
Roulement SSO-Bearing

Roulement SSO-Bearing

En associant le principe éprouvé du roulement hydrodynamique à l'ajout d'un aimant complémentaire qui renforce la stabilisation de l'axe du rotor, la technologie SSO-Bearing de Noctua a fait ses preuves. Elle incarne un fonctionnement extrêmement silencieux et une fiabilité exceptionnelle sur le long terme.
Accessoires optionnels

Accessoires optionnels

Chaque utilisateur peut, en fonction de ses besoins, choisir parmi les nombreux accessoires optionnels de la gamme Noctua afin de customiser les ventilateurs de la série redux : attaches anti-vibration, adaptateurs faible bruit, câbles en Y, adaptateurs 3:4-broches et autres câbles-rallonges.
Une customisation couleur grâce aux silentblocs NA-SAVP1

Une customisation couleur grâce aux silentblocs NA-SAVP1

Le cadre du ventilateur peut être équipé des silentblocs antivibrations NA-SAVP1 issus de la ligne Noctua chromax. Disponibles en noir, rouge, bleu, blanc, vert et jaune, ces silentblocs assurent l’amortissement des micro-vibrations mais offrent un atout indéniable supplémentaire : ils permettent, au grès de votre créativité, d’assortir le ventilateur aux thèmes couleurs les plus populaires !
Garantie Constructeur de 6 ans

Garantie Constructeur de 6 ans

Les ventilateurs Noctua sont connus pour leur qualité irréprochable et leur étonnante longévité. Comme tous les ventilateurs Noctua, les modèles issus de la série redux bénéficient d'un MTTF de plus de 150 000 heures ainsi que d'une garantie constructeur de 6 ans.
NF-P12 redux-1300 PWM
Spécifications ventilateur
Dimensions
120x120x25 mm
Espacement des orifices de fixation
105x105 mm
Branchement
4 broches PWM
Type roulements
Vitesse de rotation (+/-10%)
1300 RPM
Vitesse de rotation min. (PWM, +/-20%)
300 RPM
Niveau sonore
19,8 dB(A)
Pression statique
1,68 mm H₂O
Puissance consommée max.
0,6 W
Ampérage max.
0,05 A
Tension
12 V
MTTF
> 150.000 h
Volume de livraison
  • Vis de fixation
Garantie
6 ans
NF-P12 redux-1300 PWM
19.05.2018 // Vortez.net
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NF-P12 redux-1300 PWM test

Appearance wise, this fan should fit in with more builds than your typical Noctua, but without that same recognisable colour. Build quality is solid, as you’d expect, with the SSO bearing and magnetic stabilisation reducing noise as well as Vortex-Control Notches spreading out the unavoidable wind noise over more frequency ranges, producing a cleaner and more pleasurable sound. Cutting back the NF-P12 to the core, providing only the fan and a basic mounting system, has provided us with the essential performance without the associated cost that comes with it. Noctua have cut back all non-essential parts to reduce cost, without sacrificing on quality or performance. The NF-P12 Redux carries the torch for the ageing NF-P12.
Verdict du test: "The Noctua NF-P12 Redux competes against a lot of budget-priced fans from several different brands, however, in our experience and testing, the NF-P12 Redux performs far better than most fans, and comes with that all-important 6 year warranty." (Matthew Hodgson, Vortez.net)
22.10.2018 // TheLab.gr
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NF-P12 redux-1300 PWM test

Η Noctua με την σειρά NF-P12 Redux καθιστά προσιτό σε πολύ ευρύτερο κοινό, έναν εξαιρετικό σε επιδόσεις ανεμιστήρα, που είναι σε θέση να δώσει λύση αποτελεσματική και αθόρυβη σε όποιο πρόβλημα ψύξης έχουμε, είτε αυτό είναι AIO radiator, είτε είναι αερόψυκτρα και δεν θα σας απογοητεύσει ούτε σε ένα "σφιχτό" κουτί.
Verdict du test: "Αν το περιθώριο εξόδων που έχουμε είναι σχετικά μικρό, αλλά δεν θέλουμε να κάνουμε υποχωρήσεις στην ποιοτική και αποτελεσματική λύση στο θέμα ανεμιστήρας, θα κάνουμε χάρη στον εαυτό μας να σταθούμε πολύ προσεκτικά στην σειρά NF-P12 Redux της Noctua, γιατί έχει την απάντηση στο πρόβλημά μας και μάλιστα με τρόπο που θα υπερκαλύψει ό,τι απαιτήσεις έχουμε !" (Stelios Petousakis, TheLab.gr)
22.06.2018 // EnosTech.com
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NF-P12 redux-1300 PWM test

On stock clocks, under stress test, the NF-P12 1700 PWM was doing 26.67°C delta temps. Both variants of NF-P12 1300 were neck-to-neck with 29°C delta temps. The NF-P12 900 was doing 33.67°C which is on a warmer side particularly on the stock clocks but given its 900 RPM maximum speed and the aim behind it, this level of silent performance is actually good. This is a good performance overall and particularly given the low noise level on these fans, Noctua is once again delivering in the Noise-to-Performance ratio category.
Verdict du test: "The low price tag on these fans makes it ideal for the budget users to have a premium cooling solution from the Noctua without much burden on their wallets. These fans come recommended by us." (Nauman Siddique, EnosTech.com)
14.06.2018 // modding.fr
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NF-P12 redux-1300 PWM test

Les performances de refroidissement sont à la hauteur de ce que l’on espérait notamment pour la version Redux 1700 qui assure son taf sur toute sa plage de vitesse de rotation. La version 1300 a pour lui son faible niveau sonore et ce même à pleine vitesse où sans être silencieux il reste nettement plus discret que son homologue Redux 1700. De plus avec ce niveau sonore contenu, il se débrouille bien face à notre i7 7700k et nous n’aurons ainsi pas besoin de trop réduire sa vitesse pour ne plus l’entendre. Le ventilateur Redux NF-P12 900 a élu domicile dans le monde du silence !!! Son but n’est pas franchement de s’attaquer à notre processeur mais plutôt à un CPU nettement plus calme en terme d’émission de chaleur comme ceux que l’on peut avoir dans les config bureautique/multimédia. Ainsi il fait son taf dans un silence royale.
Verdict du test: "Comme nous l’avons suggéré en introduction, si décidément vous avez du mal avec les couleurs natives des ventilateurs Noctua, la gamme Redux NF-P12 offre une excellente alternative tant sur le plan des couleurs que de ses performances." (Bertrand Curras, modding.fr)
12.06.2018 // PC Ekspert
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NF-P12 redux-1300 PWM test

NF-A12x25 ventilatori donose neke nove tehnologije i materijale, a uz odlične radne karakteristike i zadovoljavajuće nisku radnu buku. Ovo je svakako najtiši ventilator na 2.000 okretaja koji smo čuli, a uz vrlo respektabilne brojke propusnosti i statičkog pritiska. Kao i uvijek, potrudili su se izbaciti nekoliko modela kako bi svatko pronašao opciju za sebe, a sve dolaze po istoj cijeni. Cijena kod Noctue nikada nije bila niska, a to je pogotovo tako kod premium proizvoda, pa A12x25 ventilatori koštaju preporučenih 29.99 €. Ako ih poželite ugraditi na 140-milimetarska mjesta, SFMA1 adapter s dva okvira će vas koštati 11.90 €. Za one koji ne žele izdvojiti za nove ventilatore, razveselit će činjenica kako se dobri stari P12 modeli u Redux seriji prodaju po prihvatljivih 13.90 € bez obzira na izvedbu.
Verdict du test: "Neupitno je kako je Noctua oduvijek bila sinonim za kvalitetu, inovativnost i pouzdanost, a to i dalje potvrđuju novim serijama proizvoda koje izbacuju." (Krešimir Matanović, PC Ekspert)
08.06.2018 // WhatNext.pl
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NF-P12 redux-1300 PWM test

Wszystkie pokazane dzisiaj konstrukcje są godne polecenia. Wersja Redux jest głośna, ale także dosyć wydajna. Brakuje jej jednak dodatków czy nakładek na boki – trzeba wtedy dokupić nakładki Chromax. Nowe śmigła NF-A12x25 fascynują jakością wykonania oraz kulturą pracy. Sprawdzą się one świetnie w obudowie, jak i na chłodnicy. Na podobnym poziomie głośności są wydajniejsze od konkurencji, więc wynik jest znakomity. Wszystkie przedstawione dzisiaj produkty polecam, bo naprawdę warto się nimi zainteresować.
Verdict du test: "Wszystkie przedstawione dzisiaj produkty polecam, bo naprawdę warto się nimi zainteresować." (Michał Andruszkiewicz, WhatNext.pl)
14.11.2018 // HardwareSfera.com
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NF-P12 redux-1300 PWM test

Noctua siempre se ha caracterizado por ofrecer soluciones sobrias en cuanto a diseño pero de un rendimiento y una durabilidad brutales. Los NF-P12 Redux responden claramente a la filosofía de la compañía, aunque en este caso con un sistema de aspas ligeramente diferente que crea un vórtice que los hace algo más eficientes. Sobre todo es llamativo el modelo de 900 RPM, que es ideal para todo tipo de chasis, ya que su misión es mover aire y este lo hace perfectamente y es altamente silencioso, algo a tener muy en cuenta.
Verdict du test: "No serán los ventiladores más bonitos, no tienen LED RGB y no son de los más económicos del mercado, pero los ventiladores Noctua son pura eficiencia, puro rendimiento, materiales de primera calidad y una vida de funcionamiento que ya quisieran muchos otros." (Roberto Solé, HardwareSfera.com)
10.11.2018 // ixbt.com
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NF-P12 redux-1300 PWM test

Данные вентиляторы Noctua не имеют модной светодиодной подсветки и не отличаются каким-то необычным дизайном. Однако при этом они демонстрируют выдающиеся результаты, выполняя свою основную задачу – прокачивать воздух и не шуметь при этом. Модели серии серии NF-A12x25 в классе вентиляторов 120 мм в нашем рейтинге занимают первое место, а NF-P12 redux – с заметным отрывом второе. Мы рекомендуем использовать NF-A12x25 на радиаторах систем жидкостного охлаждения, на радиаторах воздушных кулеров и в компьютерных корпусах, в том числе с относительно плотными противопылевыми фильтрами. NF-P12 redux можно использовать в таких же случаях, когда требуется снизить затраты на системы охлаждения за счет некоторого снижения эффективности. Отметим высокое качество изготовления вентиляторов и кабели в декоративной оплетке, а NF-A12x25 имеют отличную комплектацию и привлекательную упаковку.
Verdict du test: "Скорее за техническое совершенство, чем за внешний вид, а также за отличную комплектацию вентиляторы серии NF-A12x25 получают сразу две редакционные награды." (Алексей Кудрявцев, ixbt.com)
03.10.2018 // Tech-Review.de
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NF-P12 redux-1300 PWM test

Die Verarbeitung ist ausgezeichnet und mit der Farbwahl hat Noctua auch Geschmack bewiesen. Zum einen stellt es die ewigen Nörgler ruhig, welche mit dem Braun-Beige bisher nichts anfangen konnten, zum anderen ist die Kombination aus zwei Grautönen auch wirklich gut gelungen. Mit dem neu entworfenen Rahmen ist zudem die Kompatibilität zu den Chromax-Eckteilen gegeben, welche dank der Entkopplung nicht nur die Lautstärke etwas reduzieren, sondern optisch mit bunten Farben aufwarten können. Technisch gesehen gefällt bei allen Modellen das sehr leise bis praktisch unhörbare Lüfterlager. Mit sechs Jahren Garantie liegen die Lüfter außerdem im absoluten Spitzenfeld und der Support ist bei Noctua typischerweise sehr kompetent.
Verdict du test: "Zusammengefasst gefällt uns die Neuauflage der NF-P12 Serie mit dem Namenszusatz Redux gut. Durch die vielfältige Modellauswahl, von wirklich leisen Vertretern zu leistungsstarken Versionen, gibt es für jeden Geschmack etwas." (Simon Sternbauer, Tech-Review.de)
01.10.2018 // PadByte.com
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NF-P12 redux-1300 PWM test

وإجماًلا، ومرةً أخرى، لا يسعني الا الاعتراف بمدى جودة واتقان شركة Noctua في انتاج هذه المراوح، الأمر الذي لا أعتبره مفاجئة بحق، فهذه المراوح هي الأنسب للمستخدمين الذين يودون الموازنة بين العناصر الثالثة السابق ذكرها، ناهيك عن الكفالة التي توفّرها الشركة والتي تمتد الى 6 أعوام.
Verdict du test: "وإجماًلا، ومرةً أخرى، لا يسعني الا الاعتراف بمدى جودة واتقان شركة Noctua في انتاج هذه المراوح، الأمر الذي لا أعتبره مفاجئة بحق، فهذه المراوح هي الأنسب للمستخدمين الذين يودون الموازنة بين العناصر الثالثة السابق ذكرها، ناهيك عن الكفالة التي توفّرها الشركة والتي تمتد الى 6 أعوام." (Rami Al Aich, PadByte.com)

Feuille d'informations (PDF)

Can I disassemble my fan for cleaning (or other purposes, e.g. painting)?

In order to ensure flawless operation over many years of usage, all Noctua fans come with a premium grade SSO bearing, which is fully sealed to prevent the entering of fine dust particles. Please 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.

It is thus recommended to clean your fans 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 don’t use a vacuum cleaner as this may apply excessive force to the fan.

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.

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 600 or 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 in the BIOS 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, by using 3rd party tools like IPMItool or IPMIutil, or by requesting a modified BIOS file from Supermicro, which takes the minimum fan speed of Noctua fans into account (charges might apply). Please note that any modifications performed with 3rd party tools are done at your own risk and that Noctua can not be held responsible for any possible issues.

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.

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.

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.

How much torque should be used for fan screws?

Please use 0.6Nm to tighten fan screws. Make sure not to overtighten the screws as this may damage the fan frame.

Can Noctua fans be used to replace noisy stock fans in switches, routers or other network devices?

Noctua fans such as the 40, 60, 80 or 92mm NF-A series models are ideal for replacing noisy stock fans in switches, routers and other network devices in order to make them quieter and thousands of users have managed to significantly reduce the noise levels of their units this way. However, while it is easy and straightforward to replace the fans in some cases, it can be very difficult in others, so Noctua strongly recommends that users carefully research if it is possible to easily replace the fan(s) of their network device before purchasing a Noctua fan for this purpose. Some of the common issues that can occur when replacing pre-installed fans are:

  • Different pin assignment: Whereas Noctua fans use the standardised pin assignment for PC fans (see this FAQ for details), some network devices use different assignments. For example, some devices have the power and GND or rpm and PWM pins swapped. Therefore please carefully verify that your device uses the same pin assignment as standard fans. Experienced users may also change the pin assignment by cutting and resoldering the fan cables, but please note that this will void your Noctua manufacturer’s warranty.
  • Different pin functions: Noctua fans use the standardised pin functions for PC fans (see this FAQ for details); however, some network devices use fans where certain pins serve a different function. For example, some devices use the RPM pin for “power good” signals. Therefore please carefully verify that your device uses the same pin functions.
  • Firmware speed control: Some network devices demand a certain maximum or minimum fan speed. If the new fan doesn’t have the same or similar maximum or minimum speed, the device may display errors or even shut down.
  • Different starting voltage: Most network devices use voltage-based speed control. If the new fan has a higher starting voltage than the original fan, it may not start up right away. This may lead the device to display errors or even shut down because it suspects a fan failure.
  • Different power draw: Some network devices monitor the fan’s power draw. If the new fan has a lower power consumption than the stock fan, the device might display errors or even shut down.

Please note that most network device manufacturers don’t provide detailed documentation regarding fan compatibility and control, so users who want to replace the fans of their devices usually have to rely on “How to” guides, blog and forum posts or video tutorials. Please also note that fan compatibility and control can vary from model to model and even from revision to revision even if the devices stem from the same manufacturer. As a result, it is important to make sure that the information or guidelines you rely on when replacing your fans are applicable to your specific model as well as your specific hardware and firmware revision.

Due to the possible issues listed above, Noctua recommends that only experienced users attempt to replace their pre-installed fans in network devices. Please note that since there are so many different devices and most of them lack documentation for aspects such as fan compatibility and control, Noctua customer support cannot assist you with compatibility issues when replacing pre-installed fans. Please contact your network device manufacturer for any questions regarding aspects such as the device’s pin alignment or fan monitoring and control.

Can I use Noctua fans in my system from Acer, Apple, Dell, HP, Lenovo or other major brands?

Noctua 12V fans comply with the established specifications for standard PC systems issued by Intel and AMD. Systems from Acer, Apple, Dell, HP, Lenovo or other major brands often deviate from these specifications e.g. by using proprietary fan headers, custom pin-alignments or pin-configurations, different methods of fan speed control, etc. This can lead to compatibility issues when using Noctua fans in systems from said brands. Some of these problems can be avoided with some technical knowledge, but especially BIOS related issues (e.g. errors or shutdowns due to low fan speed) can often not be resolved. As a result, Noctua does not officially support systems from Acer, Apple, Dell, HP, Lenovo or other major brands.

Can Noctua fans be used to replace noisy stock fans in NAS devices?

Noctua fans such as the 40, 60, 80, 92 or 120mm NF-A series models are ideal for replacing noisy stock fans in NAS devices in order to make them quieter and thousands of users have managed to significantly reduce the noise levels of their NAS units this way. However, while it is easy and straightforward to replace the fans in some cases, it can be very difficult in others, so Noctua strongly recommends that users carefully research if it is possible to easily replace the fan(s) of their NAS device before purchasing a Noctua fan for this purpose. Some of the common issues that can occur when replacing NAS fans are:

  • Different pin assignment: Whereas Noctua fans use the standardised pin assignment for PC fans (see this FAQ for details), some NAS units use different assignments. For example, some devices have the power and GND or rpm and PWM pins swapped. Therefore please carefully verify that your NAS device uses the same pin assignment as standard fans. Experienced users may also change the pin assignment by cutting and resoldering the fan cables, but please note that this will void your Noctua manufacturer’s warranty.
  • Different pin functions: Noctua fans use the standardised pin functions for PC fans (see this FAQ for details); however, some NAS units use fans where certain pins serve a different function. For example, some devices use the RPM pin for “power good” signals. Therefore please carefully verify that your NAS device uses the same pin functions.
  • Firmware speed control: Some NAS devices demand a certain maximum or minimum fan speed. If the new fan doesn’t have the same or similar maximum or minimum speed, the device may display errors or even shut down.
  • Different starting voltage: Most NAS devices use voltage-based speed control. If the new fan has a higher starting voltage than the original fan, it may not start up right away. This may lead the NAS device to display errors or even shut down because it suspects a fan failure.
  • Different power draw: Some NAS devices monitor the fan’s power draw. If the new fan has a lower power consumption than the stock fan, the device might display errors or even shut down.

Please note that most NAS manufacturers don’t provide detailed documentation regarding fan compatibility and control, so users who want to replace the fans of their devices usually have to rely on “How to” guides, blog and forum posts or video tutorials. For example, there are excellent video tutorials available for changing the fans in popular Synology NAS models (DS416j, DS1515+ and DS1812+ in English, DS416/DS415/DS916/DS216/DS214 and DS1515+ in German). Please also note that fan compatibility and control can vary from model to model and even from revision to revision even if the devices stem from the same manufacturer. As a result, it is important to make sure that the information or guidelines you rely on when replacing your NAS fan are applicable to your specific model as well as your specific hardware and firmware revision.

Due to the possible issues listed above, Noctua recommends that only experienced users attempt to replace their NAS fans. Please note that since there are so many different NAS models and most of them lack documentation for aspects such as fan compatibility and control, Noctua customer support cannot assist you with compatibility issues when replacing NAS fans. Please contact your NAS manufacturer for any questions regarding aspects such as the device’s pin alignment or fan monitoring and control.

How can I check if my 4-pin fan header supports PWM?

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.

How should I clean my Noctua fan?

Fans inside computer cases tend to accumulate dust over longer periods of usage. In order to maintain maximum performance, please clean your fans regularly 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.
In order to ensure flawless operation over many years of usage, Noctua’s premium grade SSO bearings are fully sealed to prevent the entering of fine dust particles. Please 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.

How can I find out the direction of airflow and sense of rotation?

When looking at the fan so that the circular sticker with the Noctua logo is facing you, the direction of airflow is towards you and the sense of rotation is clockwise:

P14

What pin configuration do Noctua 12V fans use?

All Noctua fans feature the standard pin-configurations set out in the Intel and AMD specifications. These standard pin-configurations are used on most mainboards and fan controllers today:

pin configuration

Can I run 4-pin PWM fans on 3-pin fan headers?

PWM fans come with a 4-pin connectors for fully automatic speed control via your mainboard’s 4-pin PWM fan headers. Please note that 4-pin fans can also be connected to your mainboard’s 3-pin fan headers though. When connected to 3-pin fan headers, the fan will run at full speed (unless the mainboard supports voltage based speed control).

Where can I find a technical documentation and specifications of the PWM speed control system of Noctua’s fans?

While using PWM (Pulse Width Modulation) based fan speed control in PC environments is usually straightforward and does not require any background knowledge, it can be vital when it comes to controlling fans via PWM in other environments. Please refer to our specification white paper for a detailed technical documentation of the PWM speed control features of Noctua’s 4-pin PWM fans. Detailing aspects such as connector types, pin configuration or RPM speed signal output as well as signal specifications and circuit design questions, it enables engineers to implement PWM based speed control for Noctua fans in custom circuit designs and applications.

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