Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Christopher J Rasa
> 3 dayI got this particular one to replace the fan in a Dreamcast I was working on and it made an immediate difference in the noise level. Even on a smaller fan like this the build quality and noise level are both great, and despite the price point Noctua still includes several extra bits and cable to help with whatever hardware youre installing it into.
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gOkEsA
> 3 dayProduct works wonderfully. Does what its supposed to. Very quiet. I never notice it.
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Carlos M
> 3 dayI tried 2 different noctua fans for my Prusa printer and they didn’t work. If you’re like me and trying to upgrade don’t waste your time and money like me. Just get the generic ones that actually work for prusa
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Ms. Ruby Thompson
> 3 dayBest fan, works so nicely, and it’s soooooo quiet. I just wish it had a bit more cooling capacity.
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core3d.tech
> 3 dayIm tempted to deduct one star but not of the fan itself. The packaging and accessories packed with it make me feel Im paying way too much. I only need the fan.
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MV
> 3 dayGreat little fans. Excellent quality. It includes everything you need to install. Also, very quiet. Cant even tell if theyre on.
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Steven
> 3 dayexcellent fan would order again, very quite what a difference it made in my amcrest dvd recorder
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phillip lam
> 3 dayThis replaced the OEM fan that came with my Deeper Network (DPR Miner/VPN)
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Jonathan E.
> 3 daySo quiet! Replaced a fan in my Amcrest security system that was so loud. Great product
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Jarion Stevens
> 3 dayAdded to a raspberry pi 4 Kodi box. I cant even hear it over the normal room noise even sitting right beside it.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and an AAO standard frame, the NF-A4x10 5V is a dedicated 5V version of Noctua’s highly optimised, premium quality quiet 40x10mm fan. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearing ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and the OmniJoin Adaptor Set, the NF-A4x10 5V is a premium choice for demanding 5V applications.
5V version
Many devices such as network or storage solutions use 5 volt 40mm fans. With the same operating voltage and the included OmniJoin adaptor set that makes it compatible with proprietary fan headers, the NF-A4x10 5V is ideal for replacing noisy or broken 5V 40mm fans.
Please Note: Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.
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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. |
Reduced motor hub sizeThanks 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. |
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. |
Please Note:
Being a 5V fan, the NF-A4x10 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.
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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 | 12V | 12V | 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 |