Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
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BIGDOGGIEDEE2
> 3 dayWorked great for replacing amcrest loud fans!
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Sam B.
> 3 dayThe MiSTer I/O board comes with a fan that is quite loud but keeps the boards cool. Many have gone over to this fan for near silent operation. It was easy to install, but if you want a more custom fit, you will have to cut the cables down to make them smaller in length. However, the cables will fold and you can squeeze the cables to fit your MiSTer case well. You can run the fan at 3V for silent operation. You can also move the fan jumper and run it at 5V, but it will run a little louder.
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Palindrome
> 3 dayMore expensive than other similar fans but very well made and quiet. I was replacing a fan in a charging station and bought this and a cheap fan to compare the difference. This fan was way quieter to me and worth the purchase. It was thinner than the 20mm thick fan and less air but the charger does not feel any hotter to the touch than with the old fan. With the Noctua the charger is now virtually silent. I have to get right up to the cooling ports to feel and hear it working.
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James
> 3 dayUsing this on my Ender 3 and had originally thought it did not work it was so quiet!! The PSU fan is now the loudest fan on my printer.
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BD in OR
> 3 dayNice quality fan, but pretty low CFM. I really like the build quality of this fan, and it is superbly quiet. It just did not have quite enough airflow for my application.
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L. Liukonen
> 3 dayI have a heatsink for my raspberry pi that I picked up that was both noisy AND annoying as it had LEDs on the fan. Swapped it out with this fan and, while I see it spining, from a distance I hear nothing! absolutely quiet AND I am running my Pi4 24/7 at 34.56 C / 94.2 F... had to take the heatsink off to make sure the sensor was working!
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charlie
> 3 dayWell packaged and all parts well made. When installed in my security system produced a high pitched whine much louder then the slightly noisy cheap fan I was replacing. Removed this and replaced the slightly noisy cheap fan back in the system. I will keep this for some other project where noise is not so important.
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Darrin
Greater than one weekIn order to fit this into your Dreamcast you have to buy a 3D printed fan mount adapter and wire adapter. It works great, and is much more silent than the original fan inside. My heavily modded DC stays nice and cool, and super quiet. Love it!
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J. Billhofer
> 3 dayExpensive, but very effective and when using the elastic mounts very quiet.
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John D. Gardner
> 3 dayThis is a 5 volt fan, it comes with three and two-wire adapters. I installed this in my super noisy Q-See QC818 HD-DVR, to get rid of the mendacious OEM $1 fan -- problem solved. In fact, the DVR is so quiet now that I can actually hear the cheap hard disk spinning. The Noctua is made in Austria, and the design and workmanship seem extraterrestrial. Once you discover this brand, it will become the only choice for any custom build.
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 |