Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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TPhif
> 24 hourThis is a great fan to place in small htpc cases. Despite the small size (small fans are usually very loud), it is so quiet, its hard to tell if the htpc is even on.
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Crazy Double D
> 24 hourHabe mir inzwischen 4 der Lüfter gekauft - 3 davon und den in 92 mm.
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Eric D
> 24 hourVentilateur silencieux. Parfait pour mon besoin
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Mike
> 24 hourI was very impressed with the packaging, quality and all the multiple adapters that came with this unit for the price...however, with all these added components (and I love the low noise adapter idea/adapter) the black 3 pin connector it comes with is too large for the boards female white connection in my DS411+. So...I had to clip the existing white 3 pin connector from my old fan and the new black 3 pin one from the new fan and join them manually to make this work. Not a deal-breaker and worked nicely, but took more time, unreturnable damage and work...hence the 4 star review. I wanted to also note that I did not receive any CPU fan alerts from my server as someone else noted...he said he just disabled the alert...which is not a good idea lol. Otherwise...this unit is stellar! I added a photo of the 3 pin and two pin it comes with...the 3 pin in my server is about the size of their 2 pin for reference
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Francesco
> 24 hourOttima per tutti gli usi, per chi cerca un prodotto silenzioso
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GIAN
> 24 hourLe ventole Noctua sono sempre il top della qualità non deludono mai
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zrouse
> 24 hourHigh quality product. It comes with practically every cord, connector, and mounting pin you would need for any situation with this fan. I have to put my ear right up to it to hear anything while running.
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k hocutt
> 24 hourNear silent noise levels.
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Adam Welch on YouTube
> 24 hourI bought this for my ender 3 3D printer hot end cooling fan. It’s very quiet and comes with all kinds of adapters and mounts. The rubber corners and quality motor mean this fan is incredibly quiet.
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Kenneth Cohen
> 24 hourFan works great, very quiet. I used it as a replacement for a cooling fan in a Razberi MPRO8 which had a very loud stock fan. It fit with a small modification (popped the rubber pieces off the inside)
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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