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Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A12x15 is a highly optimised, premium quality quiet fan in size 120x15mm. Its 15mm slim design makes the NF-A12x15 ideal for space-restricted applications such as low-profile CPU coolers or HTPC cases. The PWM version sports Noctua’s custom-designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise Adaptor to reduce the maximum speed during PWM control from 1850 to 1400rpm. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.
Details
15mm slim design

15mm slim design

Having a thickness of only 15mm, the NF-A12x15 is much slimmer than standard 120x25mm fans. This makes it ideal for typical slim fan applications such as low-profile CPU coolers as well as for freeing up space by replacing standard 120x25mm fans on tower coolers, radiators or in PC cases.
Metal-reinforced motor hub

Metal-reinforced motor hub

With many larger-diameter slim fan designs, the shorter axis and bearing lead to a reduced running stability and lifespan. The NF-A12x15 uses a metal-reinforced motor hub, a measure typically found in high-speed industrial fans, in order to guarantee Noctua’s signature stability and longevity.
Flow Acceleration Channels

Flow Acceleration Channels

The NF-A12x15 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.
AAO Frame

AAO Frame

Noctua's AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.
Stepped Inlet Design

Stepped Inlet Design

Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.
Inner Surface Microstructures

Inner Surface Microstructures

With the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.
Integrated Anti-Vibration Pads

Integrated Anti-Vibration Pads

Integrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks.
Custom-designed PWM IC with SCD

Custom-designed PWM IC with SCD

Supporting fully automatic PWM speed control, the fan uses Noctua's custom-designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at low speeds.
Low-Noise Adaptor

Low-Noise Adaptor

The NF-A12x15 PWM is supplied with a (L.N.A.) that reduces the maximum fan speed from 1850 to 1400rpm. The L.N.A. can be used either to run the fan at a fixed speed of 1400rpm or to cap the maximum speed when using automatic PWM control.
Extensive cabling options

Extensive cabling options

The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and a 4-pin y-cable allows the connection of a second fan to the same PWM fan header for automatic control.
SSO2 bearing

SSO2 bearing

The NF-A12x15 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.
6-year manufacturer’s warranty

6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A12x15 features an MTTF of more than 150.000 hours rating and comes with a full 6-year manufacturer’s warranty.
NF-A12x15 PWM
FAN Specification
Size
120x120x15 mm
Mounting hole spacing
105x105 mm
Connector
4-Pin PWM
Bearing
Blade Geometry
Rotational Speed (+/- 10%)
1850 RPM
Rotational Speed with L.N.A. (+/- 10%)
1400 RPM
Min. Rotational Speed (PWM, +/-20%)
450 RPM
Acoustical Noise
23,9 dB(A)
Acoustical Noise with L.N.A.
16,8 dB(A)
Static Pressure
1,53 mm H₂O
Static Pressure with L.N.A.
0,9 mm H₂O
Max. Input Power
1,56 W
Max. Input Current
0,13 A
Voltage
12 V
MTTF
> 150.000 h
Scope of Delivery
  • Low-Noise Adaptor (L.N.A.)
  • 4-pin y-cable
  • 30cm extension cable
  • NA-AV3 anti-vibration mounts
  • Fan screws
Warranty
6 years
NF-A12x15 PWM
A-Series fans
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.
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12.07.2017 // FunkyKit.com
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NF-A12x15 PWM Review

We have no doubt about the top quality of Noctua products. Each one of them is well designed. Even the package is exceptional. Most manufacturers are missing these little things that count while Noctua provides package with everything you may need for installation. Long years of designing and engeneering gave great results. Where you could think there can’t be done much more, Noctua proved that even the best products can be improved. New A series fans are the best in their class and it’s hard to find anything similar on the market. Even though new fans are considered as “slim”, they provide top air pressure while keeping low level of generated noise. Perfect balance for all who expect the best from their fans.
Test verdict: "We are recommending all new Noctua products without any hesitation!" (Bartosz Waluk, FunkyKit.com)
10.07.2017 // pc.sk
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NF-A12x15 PWM Review

Ventilátor (NF-A20) je naozaj "obrovský" a neskutočne kvalitne spracovaný. Keď ho chytíte do ruky, okamžite mu prepáčite jeho cenu 29.99 eur. Konštrukcia, príslušenstvo - všetko kričí na Vás top kvalitou. Na ventilátor som pozeral zopár minút než som sa vôbec dostal k testu.
Test verdict: "Noctua priniesla opäť skvelé produkty, ktoré nájdu svoje uplatnenie u veľa nadšencov do chladenia. Ak sa Vám zdá cena Noctua ventilátorov vysoká, môžem Vám s kľudom povedať, že za svoje peniaze dostanete top kvalitu a len málo ventilátorov sa vyrovná tomuto výrobcovi. Plus odo mňa dostáva Noctua za svoje ventilátory – 200mm, 120mm Slim a 40mm ventilátory, ktoré vynikajú pomerom výkon vs. hluk. Najväčší 200mm ventilátor si však zaslúži extra pozornosť, pretože vyčnieva nad hociktorý iný ventilátor, ktorý som doteraz videl a mal možnosť testovať. Na všetky ventilátory dostanete záruku 6 rokov. Regulátor NA-FC1 si pravdepodobne nenájde uplatnenie u bežných používateľov." (Lukáš Lancz, pc.sk)
10.07.2017 // PC Ekspert
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NF-A12x15 PWM Review

Veliki NF-A20 i u PWM i U FLX verziji košta oko 33 € što je korektna cijena za veličinu ventilatora, svu opremu koju donosi i na kraju krajeva vrlo dobre performanse uz ne previsoku buku. Kvaliteta izrade je visoka, materijali odlični a tehnologije jamče dugovječnost – kao i šest godišnje jamstvo uostalom. NF-A12x15 su po cijeni od 24 € pogodni za ugradnju u skučenija HTPC kućišta i na manje hladnjake, a obavezno ih se treba malo usporiti jer su na visokim okretajima čujniji. “Propuh” koji stvaraju je vrlo dobar i na nižim okretajima. A4x20 je u svim verzijama oko 20 €. Visoka je to cijena za 40-milimetarske ventilatore, no zbog kvalitete izrade, jamstva i ponajprije velike kompatibilnosti i mogućnosti prilagodbe isplati se platiti i tako visoki iznos. Ventilatori jesu bučniji pri visokim okretajima, no za kakav komad mrežne opreme koji je u ormaru to i nije bitno, a koncentrirana je zračna struja visoka i moćna. NA-SAV3 i SAV4 su po 11.50 € za što kupac dobiva kvalitetu, kompatibilnost s velikim brojem ventilatora i 16 komada nosača za po četiri ventilatora. NA-FC1 je svestran i kvalitetan kontroler za do tri ventilatora koji je moguće napajati direktno iz SATA Power konektora, pa može kontrolirati i jače ventilatore, no nije jeftin – 15 €. I za kraj, NA-SAC5 adapter koji može biti iznimno koristan za jače ventilatore koji se direktno napajaju iz SATA Power konektora i tako ne opterećuju ploču. Negativna je jedino cijena od oko 8 €.
Test verdict: "Noctua koristi svoju veliku ekspertizu u izradi sve boljih ventilatora iz godine u godinu. Novosti za ovu su tri varijante koje smo u ovom članku pokazali i svaka je od njih posebna, a to uključuje i sve izvedenice pojedinih ventilatora. [...] Svi Noctuini proizvodi su kao uvijek korisni i zaslužuju visoke preporuke, a jedino što ima zapravo možemo zamjeriti je nešto viša cijena za naše hrvatske (prazne) džepove." (Krešimir Matanović, PC Ekspert)
02.07.2017 // Freeocen.de
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NF-A12x15 PWM Review

Das äußerst umfangreiche und hochqualitative Angebot von Noctua lässt jedes Herz höherschlagen. Durch die Anforderungen auf industrieller Ebene kann der Benutzer immer sicher sein, ein sehr ausgereiftes und langlebiges Produkt zu besitzen. Das bestätigen unsere Tests und auch die Anwendungsvielfalt.
Test verdict: "Die Resonanz der Kunden lässt keine Zweifel daran, dass auch die A-Serie wieder ein voller Erfolg ist." (Louis Spieckerhoff, Freeocen.de)
30.06.2017 // OCClub.ru
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NF-A12x15 PWM Review

Рассмотренные новинки Noctua – это то, чего многие ждали. Можно сказать это “празднество размеров”. Конечно, это не мейстрим-модели, и врядли получат широкое распространение, но они рынку были очень нужны. Да этого момента на рынке не было качественных 200 мм моделей вентиляторов, не было тонких 120 мм моделей. Новые Noctua A-серии – модели фактически уникальные, и их, по сути, даже сравнивать не с чем. Нет в этой нише конкурентов. Пока. Тестирование вентиляторов – дело совсем неблагодарное, и крайне требовательное оснастке. Особенно все это важно при рассмотрении вентиляторов, у которых заявленный уровень шума 24 дБА и ниже. При столь низком уровне шума шумометр работает плохо. Просто не улавливает разницы. Именно поэтому данный материал скорее не полноценный обзор, а ознакомление.
Test verdict: "Главное достоинство вентиляторов Noctua A-серии – уникальные размеры. За это можно простить все. Хотя и прощать то здесь нечего. Раздел “минусы” на этот раз пустой. Здесь все классно." (Oleg Ubeiko, OCClub.ru)
29.06.2017 // OCKD.es
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NF-A12x15 PWM Review

Sin duda Noctua ha diseñado unos nuevos ventiladores de gran calidad y en varias opciones que podemos elegir a lo que más se ajuste a nuestras necesidades. La versión PWM se puede conseguir por 20,79€ en Alternate o la versión FLX por 20,79€ también en Alternate, buenos precios para ventiladores de este nivel de calidad y por el valor añadido que contienen. Como os decíamos en la review, ambos ventiladores disponen además de seis años de garantía, por lo que demuestran ser muy confiables para encargarles la refrigeración de nuestros equipos, un elemento ciertamente critico. Los niveles de ruidos en ambas opciones no son demasiado altos y por supuestos podremos configurarlos a nuestro gusto gracias a los cables incluidos o en la versión PWM desde nuestra placa base para que este responda a niveles de temperatura.
Test verdict: "En conclusión le otorgamos a los ventiladores Noctua NF-A12x15 nuestro galardón OCKD ORO, sin duda excelentes productos a un gran precio para las soluciones de refrigeración en nuestros equipos y muy recomendables." (Eloy Puigcerver, OCKD.es)
21.06.2017 // Overclockers.com
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NF-A12x15 PWM Review

The Noctua NF-A12x15 is a fine fan, never mind that it is also a slim fan. They used airflow-enhancing features, close tolerances and a good rigid frame so that it would not warp – supporting those close tolerances. Noctua has gone all-out to make this a great fan. They have also included a number of accessories so there is little or nothing left to buy. By including a LNA, they are in essence giving you a second fan. And the FLX having a UNLA, it’s like getting a third fan. When you look at the price, you are getting a great deal in a slim fan.
Test verdict: "Overall, Noctua has built the NF-A12x15 as a slim fan to fit in tight places where a normal fan would not go. Better, they built a slim fan that would lose nothing in comparing it to normal thickness fans. Last but certainly not least, it’s a quiet fan, quieter than its competitors." (Ed Hume, overclockers.com)
16.06.2017 // TechHardware.it
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NF-A12x15 PWM Review

Le ventole Noctua A-Serie che andremo ad analizzare quest’oggi, è stata ufficialmente presentata a Vienna poche settimane fa (precisamente il 17 Maggio). Questa serie di ventole, come specificato da Roland Mossing CEO di Noctua, è stata più volte richiesta dai propri clienti al fine di colmare un gap di tipologia di ventole presenti. Basate sul più avanzato sistema SSO2 Bearing, questa serie di ventole integra il massimo dei brevetti e dello studio degli ingegneri Noctua. Integra infatti anche un design delle ventole di tipo AAO (Advance Acousting Optimisation) che permette di ridurre ulteriormente il rumore. Il colore di struttura, pale e supporti antivibrazione riprendono appieno lo standard delle versioni premium dell’azienda svizzera, ovvero beige per la struttura e marrone per pale e supporti antivibrazione.
Test verdict: "Eccellente il lavoro svolto anche in questo caso dall'azienda Australiana, è riuscita a produrre e commercializzare prodotti davvero validi riuscendo a mantenere prezzi competitivi con questa A-Serie." (Tommaso Biallo, TechHardware.it)
15.06.2017 // GameIT.es
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NF-A12x15 PWM Review

Muestra de esto son los ventiladores NF-A4X20 en sus dos versiones, 12 y 5v, y con las subfamilias PWM y FLX en cada una de ellas, ofreciendo una refrigeración excepcional con una sonoridad ínfima ya no solo para PCs de reducidas dimensiones sino para cualquier equipo electrónico que use ventilación de estas medidas, pudiendo disfrutar de la garantía de calidad y acabados de Noctua. En lo que a accesorios se refiere se agradece la posibilidad de adquirir repuestos, como los sistemas de montaje NA SAV3 y NA-SAV4 para nuestros ventiladores Noctua, ya que a pesar de que son sumamente resistente los que “cacharreamos” más de la cuenta acabamos necesitando repuestos. Poco podemos hablar de su funcionamiento, únicamente decir que cumplen a la perfección con su cometido, si bien se agradecería encontrarlos en mayor variedad de colores para que vayan a juego con nuestro chasis. Por último la gran sorpresa de esta review, el controlador Noctua NA-FC1. Una solución excepcional para aquellas placas base con opciones de configuración PWM limitadas o para no tener que acceder a la BIOS cada vez que queramos cambiarla.
Test verdict: "Cuando llevas años trabajando con una marca que se esmera tanto en sus productos como Noctua es difícil afrontar una review con expectativas bajas, y es que siguen innovando para ofrecer productos de primerísima calidad y compatibles con el mayor número de chasis y otros equipos electrónicos para que cualquiera que necesite un ventilador o accesorio pueda disfrutar de todo lo que Noctua puede ofrecer en este sentido." (Miguel G. Mingorance, GameIT.es)
13.06.2017 // RealHardTechX.com
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NF-A12x15 PWM Review

El NF-A12x15 PWM es el ventilador que estábamos esperando. Si su comprotamiento como ventilador de caja fue muy bueno, como ventilador de disipador de CPU de bajo perfil y de radiador de refrigeración líquida es sorprendentemente bueno. Con sus 55CFM reales y su suave funcionamiento es, sin duda, la mejor opción para los usuarios más exigentes que necesiten ganar unos cm de espacio. Si a esto le añadimos que cada ventilador de Noctua es comprobado por duplicado por su equipo de control antes de salir a la venta para garantizar una funcionalidad impecable sólo nos queda disfrutar del desarrollo, atención y cuidado que Noctua a puesto en este tremendo producto.
Test verdict: "Noctua vuelve a sobrepasar las mejores expectativas con el NF-A12x15 PWM. Podríamos dehacernos en elogios a esta maravilla, pero queremos concluir la review con la siguiente frase: Regálatelo y disfruta. Verás cómo, con el paso del tiempo, empiezan a aparecer más hermanitos de color crema y almohadillas marrones en tu equipo. Y es que todavía queda sitio para más fanáticos de NOCTUA." (José Romero, RealHardTechX.com)

Installation Manual (PDF)

Information Sheet (PDF)

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.

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.

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).

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.

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 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 or 92mm 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.

Can I use Low-Noise Adaptors with y-cables / multiple fans?

Yes, Low-Noise Adaptors (L.N.A.s) can be used with y-cables, but please make sure to use one L.N.A. per fan and to place the L.N.A.s between the y-cable and the fans as shown below. Never use one L.N.A. for two (or more fans) by placing it between the mainboard and the y-cable!

D15S

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.

Do you have a question concerning one of our products? Please use this form to pose a question!