Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Prof. Vladimir Walsh
15-04-2025Very quiet, pushing ton of air, build is superior.
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Synthguy
> 3 dayAlthough this was more than I intended to spend, I thought I would try one to replace a noisy fan in a varilight in my small home studio that was slowly driving me crazy. It came beautifully packaged with a variety of adapters and easy to install rubber shock mounts, was up and running in a few minutes, and is almost completely silent.
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Fatty
> 3 dayDer Lüfter ist nicht billig, aber seinen Preis wert.
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Martin (Stmk/AT)
> 3 dayDer Lüfter ist sehr gut verarbeitet. Es gibt jede Menge Zubehör in der Verpackung: Kabel, Adapter, Schrauben, ...
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Davide DD
Greater than one weekCon questa ventola, montata per raffreddare lestrusore di una stampante 3D, questultimo non riusciva a raggiungere le temperature sopra i 190 gradi poiché la ventola dissipava il calore in eccesso, ho dovuto modificare il condotto di raffreddamento per permettere lestrusore di prendere la temperatura corretta
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Tchamp30
> 3 dayThis fan is awful.. I feel like Ive been taken for a ride. For years I hace watched YouTube videos like Linus tech tips who praise these fans like crazy. This is the first time I finally buy one and it BARELY pushes any air... I thought something may be wrong so i hooked it up to my home made bench power supply. I pushed it to 15 volts and sure, it pushed more air and was still quiet....but not NEAR what i was expecting for the price. Very disappointed. ( I am using this to cool my 3D prints. I went from using a loud blower fan to this....just because this didnt do anything, I learned fusion 360 and built an adapter for the blower fan to mount up to where I needed this 40mm fan. Again, if u want any air to flow over your parts, dont buy this.
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Carl
> 3 dayGreat fan
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G-Dracarys
> 3 dayAcheté pour remplacer des ventilateurs brillant sur un vidéo projecteur T2 Max.
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riccardo pianigiani
> 3 dayOttimo prodotto che mantiene quanto promette: installata su stampante 3D, ventola silenziosissima veramente.
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Ä_Tännschen
> 3 dayDer kleine Lüfter von Noctua tut was er tun soll. Er lüftet für seine Baugröße sehr gut und auch leise.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x10 FLX is a highly optimised, premium quality quiet fan in 40x10mm size. Smooth Commutation Drivetechnology and Noctua’s reference class SSO2 bearings ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and a Low-Noise Adaptor and OmniJoin Adaptor Set, the NF-A4x10 is a premium choice for the highest demands.
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.
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Flow Acceleration ChannelsThe NF-A4x10 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. |
SSO2 BearingThe NF-A4x10 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. |
Integrated Anti-Vibration PadsIntegrated 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. |
Inner Surface MicrostructuresWith 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. |
Reduced motor hub size
Thanks to its streamlined, compact motor design, the NF-A4x10"s motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x10"s superior airflow and pressure performance.
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| NF-A4x10 PWM | NF-A4x10 FLX | NF-A4x10 5V PWM | NF-A4x10 5V | |
| Connector | 4-pin PWM | 3-pin | 4-pin PWM | 3-pin |
| Voltage | 12 V | 12 V | 5V | 5V |
| RPM | Max: 5000 / Min: 1000 | 4500 | Max: 5000 / Min: 1000 | 4500 |
| RPM with L.N.A. | 3700 | 3700 | - | - |
| Acoustical Noise | 19,6 dB(A) | 17,9 dB(A) | 19,6 dB(A) | 17,9 dB(A) |
| Acoustical Noise with L.N.A. | 12,9 dB(A) | 12,9 dB(A) | - | - |
| Size | 40x40x10 mm | 40x40x10 mm | 40x40x10 mm | 40x40x10 mm |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige |