Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Sven Mandelkow
> 24 hourEin sehr leises Teil. Und die Qualität und das Zubehör sind auch TOP. Liegt wohl an der Verpackung :-)
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D. Pencil
> 24 hourI 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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3D Rapid
> 24 hourIch verbaue diese Lüfter regelmäßig in 3D Druckern, überwiegend für Kunden!
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ChrisJ
> 24 hourWell pleased with the product, its ease of installation and value for money. This has totally transformed my moaning PC.
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Andrew Lane
> 24 hourWhen these arrived I had to laugh at the huge box containing the itty-bitty little fans but as a purchaser of other Noctua fans I know that it is just a standard sized fan box for Noctua. These work great in my Ender 3 Pro with one on the hotend and two in the electronics box to keep the mainboard and Raspberry Pi 4 fed with cool air. I run them at full speed and I cannot hear the fans over the ambient noise. These are definitely a great (if not costly) upgrade for reducing the operating noise of my 3D printer as the only really noisy fan now is the one on the power supply unit.
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David Tasset
> 24 hourtop
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M. Erdman
> 24 hourcompletely silent, unlike the fan it replaced.
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Matt B
> 24 hourI installed this on my RAID card. Keeps things nice and cool. I dont know about noise because this guy is in a server.
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Prof. Aurelia O'Connell DDS
> 24 hourAbsoulut zu empfehlen
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Elberto
> 24 hourVentilateur très silencieux !
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 |