Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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M Johnson
Greater than one weekI am a Noctua fan, and own many different models of their fans. I used this fan to replace the dreadfully noisy fan in my Lorex security system. This fan, with the low noise adapter did not disappoint. Highly recommended.
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Jay Ibaugh
> 3 dayBest Fans every! So quiet and such good air flow!
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Pendzich
> 3 dayBought and installed this into a Sabertooth 990fx R3.0. I have the CPU cooled by water so this little bad boy helps keep the air moving through the VRM and I/O shroud to help keep everything cool. it runs extremely quiet sometimes i have to put my hand by the board just to make sure its still working because i cant hear it.
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Massimiliano
> 3 dayOttimo prodotto
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Tim Chechowitz
> 3 dayIt doesnt move a ton of air, but that is the trade off. It was enough to cool what I needed, so I am pleased. The fan was boxed with multiple mounting accesories which made installation a breeze. Shipping was fast.
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Phil H.
Greater than one weekPurchased 3. Quite good, Did the job well, quietness 90% but quieter than the ones replaced. Price wise, you get what you pay for.
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Olen Hoppe
> 3 dayI hooked these up to my 3d printer and had to check the LCD to see if the power was on. These things are quiet! I like that they included multiple connectors for just about every situation. Time will tell how cool these keep the stepper motors and the hot end, but for now, Im pleased with this purchase.
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Neil Johnson
> 3 dayThey were easy to install work great run well and are not high pitched….. they do however have some significant noise when run at 100% speed which can be occasionally necessary on my 3D printer. Furthermore I had issues with the fan not being able to start on its own at 0-50% speed, a little disappointed to be honest but they got the job done.
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Nate B.
18-11-2024Installed this fan in place of my original board fan on my Ender 3 in hopes of quieting it down. This was my first Noctua fan, and Im impressed with the amount of accessories this came with. The overall quality seems solid, and my printer is much, much quieter now. I did have to use a buck converter for my use case to get the voltage where I needed it, but this fan seems happy with the 12.7v that Im feeding it.
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Mr. Luigi Stanton
Greater than one weekRemplacement de mon ventilo sur mon imprimante 3d anycubic i3 mega. Quel plaisir de pouvoir imprimer en silence !!
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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