Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Vortre13
> 3 dayFan is nearly silent when on. I replaced the two fans in my ender 3 with these and the printer is barly noticeable when on. Worth double easily
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JoLong
> 3 dayOttima ventola ( banana for scale ) presa per sostituire una rumorosissima ha40101v4-000c-999 di un Hikvision DS-7608NI-K2/8P PVR NVR, ora decisamente più silenzioso ( soprattutto con ladattatore L.N.A. ).
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I S
> 3 dayYou certainly get what you pay for. Ive only had them installed today but they are well built and quiet. The packaging arrived, I thought I had ordered from Razor! All around amazing product.
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Christian grenier
> 3 dayJe pensais avoir tout vue , et fait le tour de tous les ventilateurs existants, et la ( chapeau bas ) aux ingénieurs de Noctua , qui plus est fabrication chinoise , honnêtement j’y croyais guère. La je suis bluffé, présentation , emballage, finition tout y est , un sans faute je ferais le tour de mes ventilateurs pour les changer par cette marque . Bravo prix très correct, je recommande vivement.
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mauro
10-06-2025Buona
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M. Vogt
> 3 dayAls Ersatz für den Lüfter im 3D-Drucker.
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peter
> 3 dayIt works as it should and is quiet as advertised. it comes with all sorts of wiring accessories and not so eco friendly packaging (full retail box). All which make this and their other fans a little on the pricey side. It would be nice if they sold version with less for less money, would probably make me buy them for all my 3D printer needs but for now I just did the most obvious one because I cant justify the cost for the rest.
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Andreas
Greater than one week5* gibts wenn alles passt, wie gewünscht.
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Gisselle Emard
> 3 dayFa quello che promette, è molto silenziosa. Ottima dotazione di accessori. Davvero un buon prodotto.
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Darien Satterfield
Greater than one weekI have been looking for a solución to the very noise fans on my Dahua NVR.
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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