Noctua NF-A8 FLX, Premium Quiet Fan, 3-Pin (80mm, Brown)
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Christopher M. Schaub
> 3 dayIts Noctua. You know its going to be a great product. Just buy it.
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Smart Phone User
> 3 dayQuiet, as advertised. Works very well to cool my case.
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LinkMatrix
> 3 dayI’ve heard great things about the Noctua fans, this fan is so quiet I have to make sure it’s actually working. I’m happy with the purchase.
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Jon
> 3 dayI use this as external fan to my computer to move the hot air from the back of the computer inside an enclosed cabinet out a hole in the back. It is so much quieter than the previous fan. Im using it on the middle speed (the high speed is still pretty quiet, but I dont think I need that much airflow).
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MarcBarr
> 3 dayBought this after trying cheaper alternatives which ended up being very noisy. When I first got this, I hooked it up to a power supply before I installed it just to see how quiet it was. At first I thought it wasnt running, but it was, and was just very quiet. Recommended!!
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Reader
> 3 dayNoctua makes good, quiet fans. I replaced the noisy fan in a Kenwood TS-2000 radio with this one and am very happy with how much quieter the radio is now.
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Zeliard
> 3 dayQuiet, well built, comes with cable extender and rubber pins if you need/want to use those. I really dig the color scheme also. Id read that Noctua makes good fans and so far that seems to be true!
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Christopher J Burns
> 3 dayReplaced the large 120V fan in my Peavey 60/60 tube amp with this and stepped it down until it was quiet enough to record with.
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Thriller Junkie
> 3 dayDead quiet fan. FYI - this is now made in China but the quality seems to be there. Lots of options for where it gets power from. Mine is direct from the power supply Molex connector but cables are provided for other options.
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L. Wong
02-06-2025Super fan, lots of air flowing and very nice quiet hum. The Noctua fans come with an amazing array of power attachments to connect it, and control the fan speed. Also comes with silicone mounts and screws so you have your choice of mounting. Corner pads also make the mounting solid and quiet as they absorb vibration. Top of the line fan! I dont even look at specifications of fans anymore. I just look for the Noctua fan which is the size I want and then get it. Other fans may look better on paper, but you cant beat the Noctua engineering for a good balance of design, construction, longevity (6 year warranty), and durability. And lets face it - theyre not THAT much more expensive. Youll easily forget the price difference in the long run.
The NF-A8 is a highly optimised, premium quality quiet 80mm fan. Featuring Noctua’s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A8 further improves the renowned quiet cooling performance of the award-winning NF-R8. The FLX version provides 2000/1650/1200rpm speed settings via the supplied Low-Noise Adaptors in order to provide full flexibility in fine-tuning the fan for maximum ventilation performance or near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite 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-A8 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-A8 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 screws and other mounting systems. |
Scope of delivery
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Inner Surface Microstructures
With 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.
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| NF-A8 PWM | NF-A8 FLX | NF-A8 ULN | NF-A8 5V PWM | NF-A8 5V | NF-A8 PWM chromax.black.swap | |
| Connector | 4-pin PWM | 3-pin | 3-pin | 4-pin PWM | 3-pin | 4-pin PWM |
| Voltage | 12V | 12V | 12V | 5V | 5V | 12V |
| RPM | Max: 2200 / Min: 450 | 2000 | 1400 | Max: 2200 / Min: 450 | 2200 | Max: 2200 / Min: 450 |
| RPM with L.N.A. | 1750 | 1650 | 1100 | - | - | - |
| RPM with U.L.N.A. | - | 1200 | - | - | - | - |
| Acoustical Noise | 17,7 dB(A) | 16,1 dB(A) | 10,4 dB(A) | 17,7 dB(A) | 17,7 dB(A) | 17,7 dB(A) |
| Acoustical Noise with L.N.A. | 13,8 dB(A) | 12,9 dB(A) | 6,5 dB(A) | - | - | - |
| Acoustical Noise with U.L.N.A. | - | 7,9 dB(A) | - | - | - | - |
| Size | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm | 80x80x25 mm |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |