heading
Détails |
Moyeux de taille réduite
Grâce à une conception plus profilée et compacte du moteur, le moyeu du NF-A6x25 est de taille plus réduite comparée à celle des ventilateurs 6cm traditionnels. En augmentant de fait la surface des pales, le NF-A6x25 améliore significativement le niveau de pression ainsi que le flux.
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Canalisateurs de flux (Flow Acceleration Channels)
La turbine du NF-A6x25 est munie de canalisateurs de flux sur la face succion du ventilateur. L'accélération du flux générée aux extrémités des pales permet de créer une succion plus massive, moins dispersée, et accroit ainsi l'efficacité tout en réduisant les perturbations sonores liées aux vortex.
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Cadre AAO
Les cadres AAO (Advanced Acoustic Optimisation) de Noctua sont équipés de silentblocs anti-vibrations et bénéficie d'optimisations exclusives permettant de repousser encore plus loin les limites de la performance et du silence : Stepped Inlet Design and Inner Surface Microstructures.
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Conception en escalier de l'admission
La conception en escalier de l'admission de Noctua ajoute une turbulence au flux entrant permettant ainsi un passage progressif d'un flux laminaire à un flux turbulent. Ce phénomène réduit les émissions sonores initiales, améliore la cohésion du flux et augmente la capacité de succion en particulier dans les environnements où l'espace fait défaut.
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Conduit de contournement à microstructures
Les extrémités des pales évoluant à proximité de la surface intérieure du conduit (caractérisée par la présence d'une microstructure), la séparation des flux qui s'opère au niveau de la succion est quasi inexistante. Cette optimisation permet de réduire les émissions sonores liées au mouvement des pales, améliore le flux d'air ainsi que le niveau de pression.
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Silentblocs anti-vibrations intégrés
Les silentblocs anti-vibrations intégrés, fabriqués à partir de silicone extra-souple, permettent de limiter la transmission des vibrations minute tout en assurant une parfaite compatibilité avec les vis et systèmes de fixations standards.
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Smooth Commutation Drive 2
La toute dernière mouture du système SCD de Noctua garantit un fonctionnement tout en douceur grâce à l'élimination des variations de couple et des bruits de commutations. Par conséquent, le NF-A6x25 reste très discret même à proximité.
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Roulement SSO2
Le NF-A6x25 se voit doté de la célèbre référence du roulement Noctua : le SSO. Il s'agit ici de la toute nouvelle génération, encore plus optimisée. Le SSO2 est en effet équipé d'un aimant arrière plus proche de l'axe pour une meilleure précision, longévité et stabilité.
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Réglage à 3 vitesses pour une flexibilité totale
Donnant accès à des réglages de vitesse de 3000, 2400 et 1600 rpm grâce aux adaptateurs fournis (faible bruit et ultra faible bruit), le -A6x25 FLX (FLX pour Flexibilité) offre une grande souplesse de réglages en termes de flux et de silence.
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Nombreuses options de câblage
Si le câble principal d'alimentation du ventilateur est court (20 cm) afin de limiter l'encombrement dans les utilisations traditionnelles, celui de 30cm est fourni pour résoudre les problèmes éventuels de distance. Les deux câbles sont entièrement gainés.
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Garantie Constructeur de 6 ans
Les ventilateurs Noctua sont connus pour leur qualité irréprochable et leur étonnante longévité. Comme tous les ventilateurs de la marque, le NF-A6x25 affiche un MTTF de plus de 150 000 heures de test et se voit assorti d'une garantie constructeur de 6 ans.
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Dimensions
60x60x25 mm
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Espacement des orifices de fixation
50x50 mm
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3 broches
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Longueur du câble
20cm + rallonge 30cm NA-EC1
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Type roulements
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Géométrie des pales
Série A avec canalisateurs de flux
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Technologie du cadre
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Vitesse de rotation (+/-10%)
3000 RPM
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Vitesse de rotation avec L.N.A. (+/-10%)
2400 RPM
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Vitesse de rotation avec U.L.N.A. (+/-10%)
1600 RPM
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29,2 m³/h
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Niveau sonore
19,3 dB(A)
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Niveau sonore avec L.N.A.
14,5 dB(A)
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Niveau sonore avec U.L.N.A.
8,2 dB(A)
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Pression statique
2,18 mm H₂O
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Pression statique avec L.N.A.
1,41 mm H₂O
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Pression statique avec U.L.N.A.
0,61 mm H₂O
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Puissance consommée max.
1,44 W
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Ampérage max.
0,12 A
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Tension
12 V
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MTTF
> 150.000 h
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Volume de livraison
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6 ans
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NF-A6x25 FLX test
In questa recensione ci siamo realmente resi conto di quanto Noctua sia attenta ai dettagli e alla cura dei propri prodotti anche in delle “semplici” ventole che poi, in questo caso specifico, semplici non sono visto l’elevata cura nella produzione e nelle tecnologie adottate.
Ci ha stupito moltissimo il fatto di ritrovare tutte le tecnologie citate nell’introduzione anche nelle ventole di dimensione ridotta come le NF-A4. Siamo decisamente soddisfatti sia dalle prestazioni in termini di efficienza/rumore, sia dal bundle che dai prezzi decisamente in linea con quelli di altri produttori ma assolutamente superiori in termini di caratteristiche e prestazioni.
Attribuiamo a tutta la NF-A Series il premio Gold Award per l’innovazione tecnologica e la cura dei particolari che L’azienda ha dimostrato in questa serie di ventole super-efficienti.
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Verdict du test: "Ventole per ogni tipo di esigenza. Noctua con la serie NF-A ha pensato proprio a tutti e a tutto proponendo prodotti di altissima qualità e tecnologia mantenendo un ottimo rapporto qualità/prezzo. Decisamente apprezzata la cura dei dettagli e del bundle che rendoni queste ventole il TOP DI GAMMA sul mercato." (Davide Torno, QWERTYmag.it)
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NF-A6x25 FLX test
Cijene manjih (A4x10/A6x25/A9x14
12,90/14,90/16,90), kao i većih 140mm modela
(21,90) su uglavnom u skladu s dosadanjom politikom
Noctua proizvoda, koja se i dalje bazira na principu
kvaliteta prije svega, uz odgovarajuću cijenu. Nakon svega
viđenog, zaista im ne moemo puno zamjeriti na tome, s
obzirom na sve prednosti njihovih proizvoda iz nove A-serije za
koje imamo gotovo isključivo riječi hvale.
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Verdict du test: "Noctua nam je ovom prilikom priredila mnoga iznenađenja po
pitanju novih proizvoda raznih veličina i namjena. Od
minijaturnog 40mm A4x10 modela, preko A6x25 i A9x14, pa sve do
140mm inačica, svaki od testiranih ventilatora odaje onu
poznatu Noctua kvalitetu i uglađenost u radu uz visoku
funkcionalnost i bogatu dodatnu opremu. Za svakoga poneto, bi
moda bio najslikovitiji opis nove A-serije ventilatora, a
to se nas osobno tiče, itekako bismo voljeli vidjeti par
140mm ULN modela i u naem testnom računalu. Za korisnike
koji zahtijevaju veliku efikasnost i relativno umjeren nivo buke,
tu su naravno A14 FLX i A15 PWM modeli, koji svojom
fleksibilnoću, elegantnim radom ali i visokom
kvalitetnom izrade itekako zasluuju nau preporuku."
(Domagoj Hodak, PC Ekspert)
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NF-A6x25 FLX test
Once I got it all installed I powered it on and it didn’t work, at least not at first, the fan apparently comes on when the blu-ray player gets warm enough. (I already knew this actually as I made sure by testing the original fan first) The fan worked perfectly as the original did.
The Noctua fan is much quieter than the original fan, which is what you want for something that’s in your home theater. Who wants to hear a fan whirring while they’re watching a movie right? I know I don’t.
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Verdict du test: "The installation of this type and size of fan will vary on your uses or needs of course, but for any purpose I think it will work just fine. Noctua is known for quality products and their new line of fans certainly keep up with that tradition.
My installation was just one option of countless ones I’m sure, but for me it works very well at keeping things cool and being quiet at the same time.
Noctua has shown that no matter what your uses, they have the right fan for you." (Kristofer Brozio, DragonSteelMods.com)
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NF-A6x25 FLX test
O... μεσαίος
της παρέας
ξύπνησε
αναμνήσεις.
Έχουν περάσει
αρκετά χρόνια
από τότε που
χρειαζόμασταν
να βάζουμε
αρκετούς
ανεμιστήρες
στα τυπικά
τσίγκινα μπεζ
κουτιά που
χρησιμοποιούσαμε
για το μηχάνημά
μας, και από τις
λιγοστές
θέσεις που
περιελάμβαναν,
σίγουρα θα
υπήρχε κάποια
που ήταν
μέγιστο 80mm αλλά
μπορούσε να
φιλοξενήσει
και 60άρηδες, οι
οποίοι πέρα από
δυσεύρετοι,
ήταν και
θορυβώδεις. Να
όμως που εν έτη 2012
συνεχίζουν
και υπάρχουν,
και μάλιστα υπό
το όνομα της Noctua! Ο
ανεμιστήρας
διαθέτει μια
διαφορετική
σχεδίαση,
καθώς το
πλάτος του
έλικα όσο και
το συνολικό
πλάτος του
ανεμιστήρα
είναι υψηλού
προφίλ και
ανέρχεται στα 25mm,
παρόμοιο
δηλαδή με έναν
τυπικό
ανεμιστήρα. Με
την αρκετά
επιτυχημένη
(επαν-)είσοδο
των desktop cases για mITX form factor, τα
οποία έχουν
ύψος που μετά
δυσκολίας
μπορεί να
χωρέσει
κάποιον 80mm
ανεμιστήρα,
ίσως και να
βρήκατε την
-ήσυχη- λύση που
αναζητούσατε!
Στις τυπικές
προδιαγραφές
του ανεμιστήρα,
μπορεί να
παρέχει 50,5 m^3/h στις 2200
RPM(max) και όλα αυτά
με ονομαστικό
θόρυβο 19,3 dB.
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Verdict du test: "Δυστυχώς, το
τίμημα για κάτι
τέτοιους
ανεμιστήρες
είναι αρκετά
υψηλό, αν και
είναι δεδομένη
η υψηλή ποιότητά
τους και η
πληθώρα
αξεσουάρ με τα
οποία
συνοδεύονται."
(Vasilis Galiouras, HWBox.gr)
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NF-A6x25 FLX test
Hemos probado los tres ventiladores y gratamente nos ha sorprendido su bajo nivel de ruido generado. El modelo de A4x10 es el único mínimamente más audible, pero por sus altas revoluciones es normal.
Los modelos de 40 y 60 mm son perfectos para sistemas embebidos que requieren un ventilador para la extracción de aire, así como para los amantes del modding que deseen refrigerar zonas de su PC de menor superficie.
El modelo de 90 mm es ideal para equipos HTPC con disipadores de perfil bajo, que lo verán aún más reducido al cambiar los habituales ventiladores de 25 mm de grosor por este de 14 mm.
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Verdict du test: "Los ventiladores Noctua Serie-A ofrecen en formato compacto el rendimiento esperado por un ventilador de esta prestigiosa marca: gran flujo de aire a un mínimo nivel sonoro. Su uso está limitado a necesidades concretas, por lo que gran parte de los usuarios no tendrán necesidad de ellos. Sin embargo, los que requieran productos de estas dimensiones agradecerán en gran medida el lanzamiento de estos ventiladores tan eficientes por parte de Noctua." (Iván Martínez, El Chapuzas Informático)
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NF-A6x25 FLX test
3-pin girişle beslenen sabit hız fan 3000 devire çıkıyor ama
inanılmaz sessiz ve sadece 19.3 dBA gürültü yapıyor. Hava
akımı 29.2 m³/h gibi etkileyici bir değer. 92 mm modele göre
çok daha ufak olmasına rağmen aynı gürültüyle
yüzde 60′ı kadar hava basabiliyor. LNA hız kesici ile hız
2400 devire, gürültü 14.5 dBA’e ve akım 23.5 m³/h
değerine iniyor. Bu durumda sesini duymak çok çok zor ama hava
akımı çok başarılı.
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Verdict du test: "ULNA filtre ile hız 1600
devir, gürültü 8.2 dBA ve akım 16.7 m³/h. Akım
düşük olsa da sesini duymak için 2 cm mesafeden kulak dayamak
gerekiyor! En yüksek devirde 1.44 Watt güç tüketen ve 12V ile
beslenen fanın kullanım ömrü en az 150 bin saat. Bu modelde de
darbe emici kenar kauçukları var." (Görkem Yildirimy, PCkoloji.com)
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NF-A6x25 FLX test
Le ventole Noctua della nuova serie A, sono state veramente all’altezza delle nostre aspettative, qualità impeccabile ed una longevità eccezionale. Gli appassionati potranno utilizzare queste ventole per una durata di oltre 150.000 con una garanzia sul prodotto di ben 6 anni. Come tutte le fan delle varie serie, sono curate minimamente sotto ogni punto di vista.
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Verdict du test: "Con questa recensione, non possiamo far a meno di consigliarvi queste ventole per chi utilizza un HTPC." (Victor Italiano, HD Technology)
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NF-A6x25 FLX test
Dall’immagine si evince che, anche se siamo davanti a delle ventole molto piccole, la potenzialità che presentano è notevole anche rispetto alla sorella più grande da 92 mm, facendo registrare la stessa temperatura dell’hard disk utilizzando il modello A6x25 e, la ventola più piccola soltanto un grado di differenza rispetto alle sorelle più grandi. Segnaliamo infine la poca rumorosità di tutti e tre i modelli, confermando di fatto le specifiche proposte dall’azienda.
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Verdict du test: "Come da copione, anche con queste nuove ventole Noctua non ci ha delusi, proponendo prodotti che anche se di piccole dimensioni svolgono bene il proprio lavoro sia per prestazioni che la qualità; tutti e tre i modelli sono ideali per chi cerca prestazioni ottimali per il proprio sistema senza tralasciare la rumorosità." (Michele Bruno, Hardware - HDblog)
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NF-A6x25 FLX test
Después de probar los modelos NF-A6x25 PWM, NF-A6x25 FLX, NF-A4x10 FLX y NF-A4x10 5V nos dan ganas de dejar un ventilador en nuestras placas pasivas, pero preferimos no hacerlo, como ya sabéis nos gustan los sistemas pasivos. Ciertamente es estos productos pueden ofrecen una mejora térmica en nuestros dispositivos si vamos a exprimirlos y además no nos molestan con ruidos. Si tenemos algún modelo pasivo con problemas térmicos añadirle un pequeño ventilador bien dimensionado siempre es una solución, sobretodo si tienen la calidad de estos modelos.
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Verdict du test: "Los recomendamos sin ninguna duda para quien quiera mejorar el rendimiento de su miniPC o AndroidPC con problemas térmicos." (Joaquin Prida Trujillo, AndroidPC.es)
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NF-A6x25 FLX test
Malgré la taille qui présageait des nuisances sonores horribles comme nous avons tous l'habitude d'entendre venant de ventilateurs comme ceux-ci, et bien il n'en est rien! Le ventilateur qui me faisait le plus peur était le tout petit Ax410, un ventilateur de 4cm qui, tournant à 4500 RPM, me donnait mal aux oreilles avant même de le brancher, mais au final il se révèle être extrêmement silencieux, du très bon pour Noctua qui pourra enfin vous réconcilier avec vos appareils utilisant des ventilateurs de cette taille.
Le A6x25 est le plus silencieux du lot, il n'y a aucun bruit parasite audible et il saura se faire discret même au maximum.
Le A9x14, qui n'est autre qu'un ventilateur 92 mm au format "low profile" est un modèle qui est très intéressant si vous êtes en manque de place dans vote HTPC (ou tout autre boitier avec peu de place), il a une grande plage d'utilisation et saura se faire très discret, à noter qu'il émet un léger son aigu à plein régime.
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Verdict du test: "Que dire de cette série un peu spéciale de chez Noctua? Au départ un peu sceptique quant au bruit que génèrent généralement ces types de ventilateurs il faut avoué que j'ai été agréablement surpris. [...] si vous cherchez à remplacer un ventilateur criard (par exemple dans un switch, ou un NAS etc..) par un silencieux vous avez trouvé ce qu'il vous faut!" (Christian Marchini, Conseil Config)
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L'achat est possible via nos partenaires commerciaux locaux ou directement sur nos boutiques en ligne officielles Amazon et eBay :
FAQs
My Noctua 3-pin fan starts to spin when the PC boots but then stops, what is wrong?
I get a CPU fan error despite the fan is running!
How much torque should be used for fan screws?
Can I use Noctua fans in my system from Acer, Apple, Dell, HP, Lenovo or other major brands?
Can I use Low-Noise Adaptors with y-cables / multiple fans?
How should I clean my Noctua fan?
What pin configuration do Noctua 12V fans use?
Can I disassemble my fan for cleaning (or other purposes, e.g. painting)?
Can Noctua fans be used to replace noisy stock fans in NAS devices?
Can Noctua fans be used to replace noisy stock fans in switches, routers or other network devices?
How can I find out the direction of airflow and sense of rotation?
Can I paint my Noctua fan in order to change its color?
Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard’s automatic fan controller?
Which Noctua fan or CPU cooler should I buy? How to choose the right model?
My Noctua 3-pin fan starts to spin when the PC boots but then stops, what is wrong?
- 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.
I get a CPU fan error despite the fan is running!
How much torque should be used for fan screws?
Can I use Noctua fans in my system from Acer, Apple, Dell, HP, Lenovo or other major brands?
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!
How should I clean my Noctua fan?
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.
What pin configuration do Noctua 12V fans use?

Can I disassemble my fan for cleaning (or other purposes, e.g. painting)?
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 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.
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.
How can I find out the direction of airflow and sense of rotation?

Can I paint my Noctua fan in order to change its color?
Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard’s automatic fan controller?


Which Noctua fan or CPU cooler should I buy? How to choose the right model?
Avez-vous une question sur un de nos produits ? Veuillez utiliser ce formulaire pour poser une question !