Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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Jinny
> 24 hourI used this to replace 2 fans in my amcrest dvr. It was simple enough to use, and my once loud annoying dvr, is a quiet place. The product is as described and there are several youtube videos available that help with modifications. I highly recommend this product.
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Bill W.
> 24 hourIts quiet and does what its advertised to do. What more can you ask than that?
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Ms. Ruby Thompson
> 24 hourBest fan, works so nicely, and it’s soooooo quiet. I just wish it had a bit more cooling capacity.
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Mr Diggie
> 24 hourI read some reviews of people having trouble getting this to work at 5V. For me it ran just fine on the 5V and GND pins of the DE10 Nano board for the MiSTer project. If youre buying for that, have no worries!
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Greg Straub
> 24 hourI bought and tested a few 5v fans. The Noctua fan outperforms them all by ~20 degrees Celcius. The build quality is incredible and the soft silicone corner mounting points and fully sleeved cables are a plusses. I was able to use two of the included barbed rubber mounting rods instead of screws.
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J
> 24 hourBought this fan to replace the super loud fan on my large Netgear 24 port switch (GS724T v2) and it went from sounding like a hair dryer to whisper quiet. Love it so far.
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Taylor Peterson
> 24 hourno complaints
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Omniblue1333
> 24 hourThis is a very quite little fan that move a good amount of air. I bought it for a raspberry pi 3b and a case. I had to modify it a bit to connect to the pi but that isnt an issue with the fan since it isnt made specifically for it. The fan was packed in a shipping box that was the right size unlike some fans that come in boxes that would hold a dozen fans and are stuffed with packing paper.
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Eddie F.
> 24 hourUsed this to replace a Loren DVR fan that I swear was taken from an F-16 turbine engine. Unit never overheats and cannot even badly tell it is running. 1000 times better. Used the little rubber mounts to push into the fins made it an easy install. Great fan fix for Loren DVR.
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JT
> 24 hourI bought this to install in a musical synthesizer, so noise—both mechanical and electronic—were of great concern to me. This fans seems to deliver on both fronts. Mechanically, the fan is whisper quiet. Its not silent—no fan is—but it is certainly not going to be heard on any of the mics in my studio. Electrically, I actually cannot hear any hum or noise in the output of my synth; it sound exactly the same whether the fan is plugged in or not. This is nothing short of miraculous, and saves me a lot of trouble working up a filter.
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 |