Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Brook
> 3 dayUsed this to upgrade a noisy fan in a Swann security system DVR. This thing is phenomenal! Went from a constant humming headache to not even knowing it is there. Packaging is great, and comes with different wires for different applications. Worth paying for this compared to the 2 dollar cheapie.
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Sonny
> 3 dayWorked as advertised.
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JustAnotherName12
> 3 dayThis little guy screams...but does so at a whisper. I specifically got this to help keep my Intel M.2 SSD cool and it hasn’t disappointed. It moves a decent amount of air but is really quiet for the size. I’m use to smaller fans sounding like a jet taking off but this is barely audible.
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Andy
> 3 dayIts nice and works well i bought a second one
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Customer
> 3 dayI bought this to replace the noisy fan that comes with a TP-LINK PoE 8 port switch (TL-SG1008PE) and the result is amazing. You have to stand very close to the switch to hear something but is almost nothing. I had to use the omnijoin adaptor set to swap the pin’s cable order to match the original fan. 100% recommended.
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H&D
19-12-2024Im a huge fan of Noctua fans and will recommend this brand to anyone. Every fan I bough from this company has worked incredibly well for all sorts of applications. This little guy is no exception.
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Jaco D
> 3 dayHe comprado estos ventiladores para una impresora 3d, y el cambio ha sido como el noche y el dia, ha pasado a ni escucharse.
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edl
> 3 dayRead some of the reviews and do not have much more positive to add. It is insanely quiet in my use case and came with adapters I will not get around to using. Very nice retail packaging too. Used one in my 3D printer hot end after adding a buck converter to drop the 24v down to 12. Ignore the yellow wire if you plan on doing the same and use the black as ground and the red as 12v. Now I can listen to music and 3D print in the same room. Would be really nice if they would produce a 24v version someday (and a 60mm by 15 for the power supply). Has not seemed to impact my printing in any way after 2 days of back to back printing.
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Prof. Jennie Hahn
> 3 daybeautiful and quiet and comes in a awesome package
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public name
Greater than one weekNoctua delivers again. Good airflow and low noise.
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 |
