Noctua NF-A8 FLX, Premium Quiet Fan, 3-Pin (80mm, Brown)
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StuRem
> 3 dayBy looks and heft this is a well put together fan. Easy to install, quiet and does exactly what it is supposed to do, cool the equipment, not provide a light show. Quality merchandise .
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Spidacat
> 3 dayUsed this for an amp with a noisy fan. This swapped in with not problem. Very quiet and moves enough air.
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Christopher Brown
> 3 dayThese fans are awesome! A bit on the pricy side, be well worth it.
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Rob Sanders
> 3 dayBought this fan for an original Xbox fan replacement.
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Paolo Traegini
> 3 dayIts a Noctua, so you know it will be a quiet, solid performer. And this one lives up to their reputation. Worked perfectly as a replacement for a stock cooling fan in an audio amplifier. Everything about this fan says quality, and I am continually impressed by just how superior the Noctuas performance is, over what can look like nearly-identical fans. They move more air, with much less noise, than any other fan on the market. And I have found this to be the case with ANY fan that Noctua makes - they are a superior company making a superior product. Worth the premium!
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DrRicc
> 3 daySuper quiet and efficient. Installed 2 of them in a NAS for better airflow.
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Michael Buck
> 3 dayI bought 2 of these fans to upgrade the stock fan in 2 Kenwood TS-2000 ham radios. It is thicker than the stock fan but there is plenty of clearance. The stock screws can be used in the rear of the mounting holes as they are not long enough to go through the whole fan. I may hunt down some long 2 mm screws someday to complete the installation but it works great as it is. The fan is much quieter than the stock fan and moves a lot more air - a lot more. You have to put your ear right up to the radio to hear the fan. This is great for cross band repeating, Kenwood Sky Command, or digital modes like PSK31 or JT65 that create a lot of heat. If you like it quiet you can even do this if you arent running any of these modes. Keeping the heat down keeps the finals alive! . This is a high quality fan and it comes with lots of adapters if you are going to use it in a PC. The fan in the TS-2000 is ground switched so if you put a 1 watt, 100 ohm resistor between the fan ground and chassis ground the fan will run at low speed all the time and switch to high speed when the relay closes. It is an ideal fix.
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Other Horses
> 3 dayQuiet with excellent airflow. Ive used about 15 of these (with 3-pin to mini 2-pin GPU fan adapter cables, purchased elsewhere) to replace the stock fans in cheap JBOD/RAID enclosures. The oldest have been running 24/7 in a hot cabinet for about 4 years [UPDATE: 6 years!], and are still going strong.
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Ancient DIYer
> 3 dayNoctua makes some of the best muffin fans available. I bought this one for a bench power supply, the noise reduction was well worth the cost plus it probably will last several times longer than the one I removed. I have changed all of the fans in my desk computer to Noctuas and dont have any regrets. I can appreciate a company that hasnt decided to send their manufacturing to China just to make a short term profit at the expense of their reputation.
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Nathan VanderVeen
> 3 dayGreat fans. Super quiet and excellent flow.
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 |