Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Tymofiy
> 3 dayThis a great fan. Comes with a 3 pin to 2 pin convertor. Plugged in into raspberry pi 3b pin 4 (5v) and 6(ground) without an issue. Temperature dropped by 20 degrees celcius. Great value!
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zsolt
04-06-2025Super quiet with a lot of wiring options. Noctua quality, always worth the extra
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Anshuman
> 3 dayUsing these on raspberry pi’s and the included wire connectors let me connect it up with Pi’s gpio pretty easily. Very handy to have when using poe hats that don’t have their own cooling, there’s enough airflow to keep everything cool. Will keep buying !
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Gadget Guy
> 3 dayWorks great and is extremely quiet, at least compared to what was in my Q-See surveillance nvr (I replaced the cpu fan in the nvr). Wasnt a perfect replacement for the nvr fan, but I was able to use the included with fan rubber mounts/insulators to install over the cpu.
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Roberto Sauceda
> 3 dayperfect fan for my raspberry pi case. Super quiet and keeps my pi cool.
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Wilburn Blanda
Greater than one weekWorks great with my raspberry pi. Comes with scotchloks. Brought CPU temps down from 50C to 30C.
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Matthew Stasko
> 3 dayI bought this to replace the exhaust fan in my Sega Dreamcast. I love how quiet it is with its definitely superior cooling power. Comes with a variety of connectors for whatever project you have.
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Marvin
> 3 dayHave a Prusa printer with NF-A4x10 5v fan on it and it stopped working after 4 months. Tried contacting the customer support to [email protected] except my emails kept bouncing back. This is 100% the correct email, as even put in a ticket on the webpage and got an email from [email protected] which I tried replying and that email got bounced back. So, I just ordered another on Amazon and installed it. Really frustrating customer service as I get weekly emails from noctua support asking to hear back about my ticket but all my emails bounce. Tried to notify them of this problem by contacting them via the webpage again with a reference to the Ticket # but there was no reply. So, I took it even one step further and forward my email to another email address Google to Yahoo and their email still bounced. I believe they forward their emails through freshdesk which is causing the problems.
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michael
> 3 dayFan is extremely quite and comes with all sorts of mounting items and extra connectors.
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SVS
> 3 dayNoisy little fans. i purchased them to replace another ones ( louder ) thinking the positive reviews would reflect the outcome; sadly i think i paid too much for a little fan than i should.
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 |