Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Nova
> 3 dayAmazing fan for the size. This thing is super quiet at full speed. The only thing this fan screams is quality. It is built with the same attention to quality as its larger more popular counterparts. I used this fan for my hot end mod on my 3d printer and it cant be beat.
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Carlo
> 3 dayVentolina acquistata per installarla in un DVR con ventola ormai non funzionante.
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Solid
> 3 dayIch habe es in mein Ender 5 Pro verwendet/eingebaut (mit Externe Netzteil). Vergleich mit dem Original Lüfter was eingebaut ist wie Autobahn und Wald. Das Original Lüfter was eingebaut war misst der Schallpegelmesser 60-70db. Bei kurze Zeit ging noch aber wenn der 3D Drucker über 24h läuft ist es sehr nervig. Nach dem Einbau von Noctua, Schallpegelmesser misst nur noch maximal 40db und es ist sehr angenehm ins Ohren. Jetzt höre ich nur noch die Achsen von Drucker. Sein niedrige Geräusch ist nicht nur seine Leistung sondern auch wie es kühlt. Die genaue Kühlleistung kann ich leider nicht messen aber ich bin sehr zufrieden damit. Es ist wirklich ein Kaufempfehlung.
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oscar
12-06-2025No se oye nada de nada, los tengo instalados en una impresora 3d y es una mejoria buena buena. recomiendo la compra
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Jay mcguire
> 3 dayThe best you can get
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D. Pencil
Greater than one weekI recently replaced my hotend with a full metal and needed to upgrade fans. I was hopeful that this would work, but they just dont move the air nearly fast enough. Theyre SUPER quiet, but at a cost.
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Robert Case
> 3 dayI bought these fans to replace some noisy fans in my sisters DVR. These fans are VERY quiet and the move as much or more air then the original fans. When these arrived I was surprised to see how nice the packaging was and they provide several different connectors to allow you to connect them to just about anything. I will definitely buy these again the next time I need super quiet fans.
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Guillaume T
> 3 dayVentilateur silencieux et très efficace.
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Laurent J.
> 3 dayAcheté pour remplacer le ventilo de mon imprimante 3D qui faisait un bruit infernal.
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Other Horses
> 3 dayStill strong and quiet, after months of constant use in a cramped enclosures with no real intake vents. Larger Noctua fans have worked very well for me, so I bought these expensive little suckers to replace the noisy stock fans in three
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 |
