Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Joze Verbic
> 24 hourTop
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JC Denton
> 24 hourRecently installed a new motherboard as an upgrade to my Ender 3 3D printer and as part of the installation process I decided to move both the new motherboard and Raspberry Pi (used for Octoprint) to the back of the the printer.
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Ms. Catharine Beier
> 24 hourI bought this to replace the incredibly loud fan that comes stock with the Titan Aero 3D printer extruder. Its completely silent and it fits perfectly on the heatsink. The universal adapters and the self stripping self crimping wire connectors it came with are great. It cools the heatsink at least as well as the stock fan and it doesnt squeal like a banshee. I have 0 complaints its exactly what I was looking for.
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Philippe
> 24 hourOk
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Brent
> 24 hourBought these to replace the jet engine sounding fans on my Reolink NVR. These were a direct replacement and were super easy to install. I did NOT install these with the low noise adapter, and still cut 10dB off the overall sound. Dont have anyway to measure temps before and after but the NVR is still cool to the touch, so Im happy.
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Scott
> 24 hourExactly what you need if there is a 40mm fan that is driving everyone crazy.
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Todd Fischer
> 24 hourScrews were bigger than my mounting bracket, so I had to drill my bracket. Took 5 minutes to install. Fan works great.
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David H
> 24 hourI bought this fan to upgrade the 30mm fan on my Monoprice Select Mini v2 3d printer. Ive been building computers for over 25 years now, and Noctua has been known for making very high quality case fans for years, so it was a no brainer when it came time to replace the 30mm fan on the hot end of my 3d printer. There were several prints that were available to upgrade from the 30mm to a 40mm fan, and most if not all upgrade walk-throughs recommend this fan, or the 20mm tall version of this fan. I opted for the slimmer 10mm fan and it works flawless.
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MJK
> 24 hourVery quiet for a small fan. Used to replace a noisy fan in a humidifier that is used while sleeping. Drop-in replacement for size, but had to do a bit of splicing to the original fans connector.
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H&D
> 24 hourIm 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.
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 |
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