Noctua NF-A8 FLX, Premium Quiet Fan, 3-Pin (80mm, Brown)
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Christopher Brown
> 24 hourThese fans are awesome! A bit on the pricy side, be well worth it.
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B.
> 24 hourCase fan. Circulates air. Heat and dust bad! Fans good.
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TLK Merchandise
> 24 hourVery quiet, cant really tell when my computer is off or on. I had read that for quiet, you would sacrifice power. Not with the Noctua, it was quite powerful and quiet. Initially it did not feel like airflow was as powerful as the noisy trailer fan I just removed but it did the job, goes to show you dont need a trailer fan, just an efficient fan. And I have a powerhouse of a system or to keep it this quiet is quite a feat.
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jill geisler
> 24 hourIt arrived quickly, it fit properly and easily, has three speeds using the supplied resistors and is quiet on the fastest speed. Everything that is was made to do, it does well.
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Pi For Breakfeast
> 24 hourExpensive but worth it if you need small, silent, high performance case fans. I have 2 installed in my SilverStone mATX FT03B
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grant
> 24 hourvery quite
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M. Scott Olson
> 24 hourI purchased the Noctua NF-A8 FLX 80mm fans to replace the stock fans in my Synology NAS box in order to achieve higher air-flow and quieter cooling for the always-on NAS box. I am a veteran computer builder and technophile, however this was my first experience with the Noctua fans. I was extremely impressed right out of the box.
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Buckshot
> 24 hourMy last 8$ 80 mm fan never worked right out of the box so fortunately that led me to step up to a Noctua. Great air movement and very quiet. Im using two of them to cool my 2.8 kw Outback inverter, which has a very loud internal cooling fan. I havent heard the inverter fan since, even under heavy loads. These Noctuas really keep thing cool. Ive seen a couple reviewers say theyre not quiet, I think these folks have got a screw loose somewhere. Beautiful packaging, info and accessories, RPM adaptors, extension cable, etc..
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BigBlock
> 24 hourits a Noctua so those that know thats enough said! Easy to install and blows up a storm and accommodates variable speed software
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BigAL
> 24 hourSwapped these into my servers rear exhaust fans. They push a tremendous amount of air compared to the originals and are almost silent. I didn’t install the resistors to cut fan rpm down as they were not needed for any reason. Packaging was excellent and included any accessory I could have needed which needs to be considered when people talk about the price. I’ve got loads of parts on my bench that came with Noctua fans that I dip into all the time. There is no substitute when you want something that’s gonna work far past it’s warranty date.
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 |