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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 PWM version sports Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 2200 to 1750rpm. 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.
Flow Acceleration Channels
The 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 bearing
The 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 pads
Integrated 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
- Low-Noise Adaptor (L.N.A)
- NA-YC1 4-pin PWM y-cable
- NA-EC1 30cm extension cable
- 4x NA-AV1 anti-vibration mounts
- Fan screws
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.
thompsondivision
Reviewed in the United States on January 25, 2025
Excellent packaging, instructions, build quality, and attention to detail.Silent. Incudes adapters, and hardware.Less expensive than generic alternatives that might take weeks to ship.This Austrian company seems to only make these fans.Buy!
Dale M
Reviewed in the United States on January 21, 2025
The fan in a small form factor HP business PC started making a grinding noise so I ordered up this fan to replace it. Very happy with the air flow rate and it is even quieter than the stock fan was when it was new.
Kevin
Reviewed in the United States on January 19, 2025
Quiet and moves a lot of air!
Abe
Reviewed in the United States on August 27, 2024
My 80mm case fans (really old Antec case) came with everything needed to install them. That included soft, rubber mounts as well as screws, short and long cable extensions, a splitter cable from which to run 2 fans from one fan header, and a 6 year manufacturer's warranty.When the computer is idling, the fans are barely audible. Once the processor goes to work (Ryzen 9 9750X3D using integrated GPU) I can hear fans speeding up slightly but they are still very quiet.I'm a great fan of Noctua fans and will buy again if needed.
DonM
Reviewed in the United States on March 21, 2024
These fans fit perfectly into the space I needed them for and by selecting the proper plug and style (4-wire with PWM speed control), they were a great fit in the case and easily connected right to the system board I am using. The system board controls them as expected, varying the speed as necessary to cool the system.Great little fans, great value for the price and an excellent brand name whose products run well and longer than many others I've tried in the past.
Jason
Reviewed in the United States on December 11, 2023
This fan cost a little more than some other brands but you can tell is very high quality part. Also it included an extension cable, a “Y” splitter cable, and a cable that lowers fan speed if running of uncontrolled header, all of which would cost extra if not included. My mother board only has one fan header for the CPU, with this I was able to use the splitter and run both cpu cooler fan and case fan off one header. A bonus of doing it this way is that the case fan is speed controlled by the cpu temperature so runs quiet or turns off when not needed and spins up when computer gets hot. No wasted money for RGB lights only whats needed.
The Student
Reviewed in the United States on December 25, 2019
I bought a 92mm and 80mm Noctua case fan and so far it really made a difference in terms of noise reduction. I switch Noctua fan with my old one and i thought my PC died on start up because of the sudden drop of noise after 1-2 second of starting up. I can actually hear what is happening inside my PC now due to the fan being almost dead silent.It feels very weird because i never had a Desktop PC this quiet before.The Installation was easy and straight forward. It still comes in a nice looking box. The fan comes with a cable attach, also comes with an extension cord if you need the extra length, the noise reduction cord which i used for both of the fans and really made a huge difference. Along with a few other things. There was no instruction manual (maybe there was) but that was not needed. All you do is plug the fan cord into the noise reduction cord if you want to use it and then plug that into the 4 pin fan slot on the motherboard. Everything should fit together nicely, not much force is needed plugging things together. It comes with 4 screws, use a screw driver to mount the fans in place.This is not really a problem but as people know the color of fans really does not match with everything else. But i don't really look at my CPU so it not a problem for me it. They do have black now or starting to sell black color Noctua Fans. My gaming rig is not big size so these fans handle it fine. The box says a 6 year warranty so that is a plus.Overall i am very impress with the presentation and the quality. It made me want to write a review for it. The CPU noise compare to before these fans is night and day. I never realized how long my CPU noise was before using these fans. Of course this is the first day i am using them as i am writing this review so take it for what you will. Hopefully these fans will last me a good few years at minimum.
Rufus B. Saye
Reviewed in the United States on March 5, 2018
This review is for both the 92mm and 80mm versions of this model, 4-wire units with speed controlled by the motherboard.If you're like many consumers, you accept the cooling fans installed by the manufacturer, and look at fans like this and their cost, and say "meh".Ironically, I'm am/was IT professional in the same situation...However, when I finally got around to buying a new server [versus hand-me-down units] for use at home, the fan noise that I accept at work [in a separate IT room] became unacceptable in our home office.Did some research and found this brand. Admittedly there are other makes/models out there and I'm approaching this as a fan newbie...I can summarize our findings by saying that my keen-eared better half questioned whether the server was actually powered on... that much drop in noise levels.Using the server's built-in hardware monitoring, fans are running at about 50% of top RPMs for the case fan [this 92mm] and at about 70% for the CPU fan [an 80mm] and temperature swings have abated along with the noise. These move the air a lot and with their blade design coupled with the cushioned mounts, do it very quietly.The fans ship with a short power jumper that shifts the fan speeds to an even lower range with a drop in maximum speed, and this works quite well, dropping fan noise to totally inaudible. Due to the presence of four 3.5" spinning drives in the server case [and their heat], I erred on the side of caution and restored the fans to their native speed range, with only a slight difference in noise, and no change in temperature/cooling.Based on experience so far, I can't praise this line highly enough...
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