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Please note that the NH-U14S TR4-SP3 is a dedicated version for the AMD sTRX4/TR4/SP3 socket. Due to its customised larger base, it cannot be used on any other sockets and is incompatible with Noctua’s standard mounting kits. |
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Award-winning NH-U series
The NH-U14S is the first 140mm model in Noctua's award-winning NH-U series. First introduced in 2005, the NH-U series has become a standard choice for premium quality quiet CPU coolers and won more than 400 awards and recommendations from leading international hardware websites and magazines.
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Tailored custom version for sTRX4/TR4/SP3 (Ryzen Threadripper / Epyc)
At 70x56mm, the copper contact surface of the TR4-SP3 version is more than double the size of the standard model. Tailored to fit the enormous integrated heat-spreaders (IHS) of AMD’s sTRX4/TR4/SP3-based processors, this customised design allows for an optimal heat flow from the CPU over the base to the heatpipes and on to the cooling fins.
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140mm size for maximum performance
With six heatpipes, a fin surface area of more than 6000cm² and the large NF-A15 140mm fan, the NH-U14S TR4-SP3 provides a superior level of cooling performance that makes it ideal for the most high-end, enthusiast-grade sTRX4/TR4/SP3 systems.
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NF-A15 140mm premium fan
Complying with Noctua’s AAO standard and featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A15 has quickly built up a reputation as one of the best 140mm heatsink fans on the market.
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Anti-vibration pads and fan-clips for second NF-A15 (optional)
For users who want to achieve even better performance by adding a second, optional NF-A15 fan to create a push/pull setup, the NH-U14S includes fan clips and an extra set of custom-designed anti-vibration pads that allow to off-set the rear fan by 5mm to improve acoustics in dual-fan mode.*
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SecuFirm2™ mounting system for sTRX4/TR4/SP3
Noctua’s SecuFirm2™ mounting systems have become synonymous with quality, safety and ease of use. The TR4-SP3 variant has been completely custom-designed for the new socket and is particularly easy to install: Put on the heatsink, fix the four spring-loaded screws and you’re done!
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Offset mounting options for better PCIe clearance
In order to assure optimal compatibility with SLI and CrossFire multi-GPU setups, the SecuFirm2™ mounting for sTRX4/TR4/SP3 makes it possible to offset the cooler by 3 or 6mm towards the upper edge of the motherboard, thereby increasing clearance of the top PCIe slot.
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NT-H1 thermal compound
Having received more than 100 awards and recommendations from hardware journalists around the world, Noctua's NT-H1 is a proven professional grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability.
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Notes and warnings
Please note that the NH-U14S TR4-SP3 is a dedicated version for the AMD sTRX4/TR4/SP3 socket. Due to its customised larger base, it cannot be used on any other sockets and is incompatible with Noctua’s standard mounting kits.
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AMD sTRX4, TR4, SP3
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Height (without fan)
165 mm
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Width (without fan)
150 mm
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Depth (without fan)
52 mm
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Weight (without fan)
865 g
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Height (with fan)
165 mm
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Width (with fan)
150 mm
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Depth (with fan)
78 mm
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Weight (with fan)
1030 g
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Material
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
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Max. TDP
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Fan compatibility
140x150x25 (with 120mm mounting holes), 140x140x25 (with 120mm mounting holes), 120x120x25
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Scope of delivery
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6 Years
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Model
Noctua NF-A15 PWM
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Bearing
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Max. rotational speed (+/- 10%)
1500 RPM
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Max. rotational speed with L.N.A. (+/- 10%)
1200 RPM
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Min. rotational speed (PWM, +/-20%)
300 RPM
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140,2 m³/h
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115,5 m³/h
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Max. acoustical noise
24,6 dB(A)
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Max. acoustical noise with L.N.A.
19,2 dB(A)
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Input power
1,56 W
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Voltage range
12 V
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MTTF
> 150.000 h
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NH-U14S TR4-SP3 Review
Like its smaller sibling, the NH-U12S TR4-SP3, the Noctua NH-U14S TR4-SP3 provides whisper-quiet cooling with big league thermal performance – the kind of overclocked Threadripper performance that sneaks into quality 360 all-in-one cooling performance. Armed with six nickel-plated copper heatpipes and a NF-A15 140mm PWM fan, the AMD-friendly NH-U14S TR4-SP3 is a silent thermal assassin. For Threadripper air cooling, this cooler checks all the boxes for enthusiasts and overclockers alike.
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Test verdict: "For those looking for a high-quality, high-performing, low-noise air cooling solution for AMD Threadripper, the Noctua NH-U14S TR4-SP3 makes the decision easy." (Garrett Carver, Tom's Hardware)
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NH-U14S TR4-SP3 Review
Inutile de régler votre poste, ceci n'est pas une hallucination. La grosse surprise nous vient d'un système de refroidissement par air de chez Noctua, qui se positionne comme l'un des plus endurant sur notre Threadripper 1920X. Le NH-U14S TR4-SP3 survole le débat en aircooling et enterre quasiment tout le panel de kits AIO. [...] Le candidat à disposer du meilleur ratio performances/bruit est le NH-U14S TR4-SP3 de Noctua, encore lui. Il se fera largement entendre lorsqu'il sera sollicité au maximum de ses capacités, mais reste toutefois dans une tranche raisonnable.
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Test verdict: "Le NH-U14S TR4-SP3 remporte notre coup de coeur, offrant le meilleur ratio performances/nuisances/prix du panel. Si l'overclocking ne vous intéresse pas, le NH-U12S TR4-SP3 est parfaitement adapté à l'usage." (Thierry Comtesse, Le Comptoir du Hardware)
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NH-U14S TR4-SP3 Review
The results from this benchmark were rather shocking as the Thermaltake Floe Triple Riing RGB 360 TT Premium Edition ($199.99 shipped) AIO CPU liquid cooler didn’t blow the Noctua coolers out of the water. The Thermaltake Floe Triple Riing RGB 360 had the lowest idle temperature by 1C, but the load temps were nearly 2C higher than the Noctua NH-U14S. These Noctua air coolers do a pretty good job!
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Test verdict: "It is shocking how well these three high-end heatsinks from Noctua handle AMD’s TR4 and SP3 sockets for their latest Ryzen Threadripper (X399) and EPYC platforms." (Nathan Kirsch, LegitReviews.com)
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NH-U14S TR4-SP3 Review
Bei dem Temperaturen zeigt sich die All-in-One-Wasserkühlung nur für wenige Minuten überlegen, denn das Wasser zu erhitzen braucht seine Zeit. Nach 30 Minuten Last mit Prime95 steht ein Patt mit dem NH-U14S zu Papier. So lange die AiO braucht um auf Touren zu kommen, so lange braucht sie im Anschluss auch wieder um ruhiger zu werden: Ein Luftkühler hat nach wenigen Sekunden im Leerlauf die Drehzahl bereits wieder abgesenkt, weil die CPU nur noch minimale Abwärme erzeugt, bei der AiO dauert das länger.
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Test verdict: "Als potentiell erste erhältliche Luftkühler für AMDs neuer Threadripper-Plattform machen Noctua NH-U14S, -U12S und -U9 für Sockel TR4 eine sehr gute Figur. Das Topmodell NH-U14S schlägt bei der Temperatur sogar eine 200 US-Dollar teure AiO-Wasserkühlung von Thermaltake mit großem 360er-Radiator." (Volker Rißka, ComputerBase.de)
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NH-U14S TR4-SP3 Review
So why would you get anything other than the NH-U14S for performance or Wraith Ripper for looks? Well the NH-U9 is just there to give an option to small form factor builds and it makes me very happy that they provide that option. It’s the NH-U12S that ends up being the odd man out. The NH-U14S isn’t much larger but the performance difference between the two in both cooling and noise levels is impressive. I love the NH-U12S normally as a real-world “standard” size tower cooler. But if you are going Threadripper, you might as well go with the NH-U14S assuming you can fit the additional height.
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Test verdict: "The end result was that you have options even if you don’t want to water-cool your Threadripper build... with one of these coolers you get exactly what you expect for as long as the fan works, and if that happens it is an easy fix... all three of the Noctua coolers have an impressive 6-year warranty. " (Wes Compton, LanOC.org)
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NH-U14S TR4-SP3 Review
Chłodzenie pozytywnie zaskoczyło mnie w testach. Jest to zdecydowanie najwydajniejsza propozycja i świetnie poradzi sobie nawet z podkręconym procesorem... Spokojnie poradzi sobie z CPU po podkręceniu oraz zapewni jego niskie temperatury.
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Test verdict: "Chłodzenie prezentuje też znakomitą jakość wykonania, dobre dodatki czy banalny montaż. Wśród chłodzeń pod Threadrippera jest ono moim faworytem."
(Michał Andruszkiewicz, WhatNext.pl)
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NH-U14S TR4-SP3 Review
I’ve seen much larger coolers which were rated at lower TDP than the NH-U14S TR4-SP3 so I’m glad to see there is no need to install dual-tower cooler to handle AMD Threadripper and still receive top performance. This design also helps with the installation of really tall memory modules and is not so heavy.
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Test verdict: "Noctua NH-U14S TR4-SP3 is the cooler for the most demanding users. You won’t find anything better that isn’t expensive water cooling kit. The NH-U14S is really quiet and well-performing cooler which combines all the features you may need and for daily challenges." (Bartosz Waluk, FunkyKit.com)
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NH-U14S TR4-SP3 Review
Až na trochu dost těsné osazení chladiče v kombinaci s grafickou kartou v prvním PCIe slotu na základní desce, nemáme co vytknout. Noctua NH-U14S TR4-SP3 je excelentní chladič. Trochu se divím, že NOCTUA neudělala v TR4 verzi i obří D15, ale asi usoudila, že U14S má dostatek výkonu a musím souhlasit. Pro ty, kteří neplánují vůbec taktovat, je tento chladič naprosto vynikající a dá se říci že jasnou volbou. Je výkonný a tichý, běžná AiO nedokáží být lepší.
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Test verdict: "Noctua NH-U14S TR4-SP3 je excelentní chladič." (Jan Stach, DDWorld.cz)
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NH-U14S TR4-SP3 Review
You probably will already have noticed it, but the U12S and U14S managed to cool better than the Kraken X40 LCS cooler, especially the U14S crunches down the cooling numbers. That's impressive, but also wasn't a very likely thing to happen. Here's my thought on that, it's the full cover heat block on the Noctua coolers that draw every Watt of heat they can deal with until they run out of capacity. Even tweaked with 16 cores at 100% stress / 1.38V the U14S managed to stay four degrees cooler compared to that Kraken X40 LCS unit, which is a lot in the cooling arena. Now of course, once you go pro with liquid cooling and bigger radiators, the dynamics will shift. But none-the-less this was very impressive to see.
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Test verdict: "So there you have it, overall we feel the Noctua U12S and NH-U14S coolers are very nice, the looks are a matter of taste, the performance winner, however, is the NH-U14S TR4/SP3." (Hilbert Hagedoorn, Guru3D.com)
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NH-U14S TR4-SP3 Review
Wie man anhand der Messungen klar erkennen kann ist Fläche Trumpf und dementsprechend reihen sich die Kühler auch ein. Während bei unserer getesteten Mindestdrehzahl von 600 Umdrehungen alle Kühler in das Limit laufen, sehen die Werte ab 900 Umdrehungen zumindest schon einmal für den Noctua NH-U14S sehr gut aus.
Ab 1200 Umdrehungen kommt auch der NH-U12S in Fahrt und kühlt den Prozessor adäquat ohne in das Limit zu laufen. Der Noctua NH-U9 konnte bei unserem Testsetup erst auf maximaler Drehzahl den Threadripper auf Temperatur halten.
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Test verdict: "Der U14S ist im direkten Vergleich der mit Abstand leistungsfähigste Kühler. Er schafft es dabei auch den derzeit stromhungrigsten AMD Desktopprozessor bei 3850MHz auf Temperatur zu halten.
Hierbei verbrauchte das Testsystem ca. 365 Watt an Strom. Ein Wert der diverse Gamingrechner verblassen lässt. Sollte also der Platz vorhanden sein, trifft man mit dem Noctua NH-U14S die derzeit beste Entscheidung. Durch seinen tadellosen Auftritt hat sich der U14S auch unseren Enthusiast Award verdient." (Markus Lakner, Hardwaremax.net)
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You can either buy from our local sales partners or directly from us via our official Amazon and eBay stores:
- INSTRUCTIONS AND INFORMATION SHEETS (PDF)
- FAQs
- MAINBOARD COMPATIBILITY
- CASE COMPATIBILITY
- CPU COMPATIBILITY
FAQs
How big is the NH-U14S and how much clearance does it provide for RAM and chipset coolers?
Can I install a Noctua cooler in my system from Acer, Dell, HP or Lenovo?
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?
I get a CPU fan error despite the fan is running!
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 get a CPU fan error using my Noctua PWM fan, is it faulty?
I'm experiencing fan speed issues with my motherboard from Supermicro, what can I do?
Which sockets are supported or can be supported using upgrade kits?
How should I clean my Noctua cooler?
Can I upgrade my existing Noctua cooler to socket TR4 or SP3?
Even with a high-end cooler, the performance is not what I would expect, what can I do?
Which Noctua coolers are compatible with Ryzen Threadripper 2?
Should I take the cooler off before transporting my system?
How can I check whether my case is wide/high enough for the cooler?
Is it possible to use the cooler with vertical graphic cards?
The supplied y-cable is missing a wire at one of the two connectors, is it faulty?
Can Noctua TR4-SP3 coolers be used on the sTRX4 socket?
Why doesn't the base of Noctua coolers have a polished, mirror like finish?
I’ve used all the NT-H1 thermal compound that came with the cooler, can you send me more?
Which Noctua fan or CPU cooler should I buy? How to choose the right model?
How big is the NH-U14S and how much clearance does it provide for RAM and chipset coolers?

What Thermal Design Power (TDP) is this cooler recommended for and how much Watt (W) of heat can it dissipate?
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.
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?
Screw type | Max. torque |
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NM-SSC1 screws for fixing the fastening brackets to the base of the heatsink | 0.5 Nm |
NM-ITS1 thumb screws for fixing Intel mounting bars | 0.5 Nm |
NM-ALS1 screws for fixing AMD mounting bars | 0.6 Nm |
Spring-loaded screws for fixing the heatsink to the mounting bars | 0.6 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.
I get a CPU fan error despite the fan is running!
My Noctua PWM fan starts to spin when the PC boots but then stops, what is wrong?

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:
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.
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.
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?
- 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.
- 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:
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 get a CPU fan error using my Noctua PWM fan, is it faulty?
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.
Which sockets are supported or can be supported using upgrade kits?
How should I clean my Noctua cooler?
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.
Can I upgrade my existing Noctua cooler to socket TR4 or SP3?
Does the NF-A15 PWM that comes with Noctua coolers run at a different speed (1500rpm) than the retail model (1200rpm)?
After some time of prolonged full load, the CPU clock starts to drop off to very low values intermittently, is the cooler insufficient?
Internal tests at Noctua have shown that not all motherboards on the market are able to power the 250W models at prolonged full CPU load without the VRM running into thermal throttling. In case you experience the behavior described above please, check the VRM temperature (e.g. via HWinfo) and provide additional cooling to this area. In doubt, please contact your motherboard manufacturer for further information.
Even with a high-end cooler, the performance is not what I would expect, what can I do?
Secondly, processors emitting heat-loads of 180-250W or even more (with Turbo Boost) create more challenges for case ventilation than lower power mainstream CPUs as it is very difficult to remove so much heat from the chassis. For best performance, it is crucial that sufficient amounts of fresh air can enter the chassis and that warm air leaves the chassis as fast as possible.
Internal testing at Noctua has shown that many PC cases are rather restrictive when it comes to air intake and exhaust due to dampening materials, doors, covers or a rather closed design approach in general. Increasing the number of system fans can help to a certain degree but will not provide much improvement if intakes and outlets are too resistive. The best cooling results are to be expected from cases which use a rather open approach (e.g. mesh walls and intakes). Unfortunately, Noctua cannot provide detailed recommendations for individual system configurations as there are too many options and variables available to give general recommendations. Please refer to general case cooling guidelines such as this one for information how to setup the airflow inside your case.
Which Noctua coolers are compatible with Ryzen Threadripper 2?
Should I take the cooler off before transporting my system?
How can I check whether my case is wide/high enough for the cooler?
Is it possible to use the cooler with vertical graphic cards?
The supplied y-cable is missing a wire at one of the two connectors, is it faulty?
Can Noctua TR4-SP3 coolers be used on the sTRX4 socket?
Why doesn't the base of Noctua coolers have a polished, mirror like finish?
I’ve used all the NT-H1 thermal compound that came with the cooler, can you send me more?
Which Noctua fan or CPU cooler should I buy? How to choose the right model?
Do you have a question concerning one of our products? Please use this form to pose a question!