Noctua NF-A8 ULN, Ultra Quiet Silent Fan, 3-Pin (80mm, Brown)
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Albert W. Moore Jr.
04-06-2025Best on market
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Bruce
Greater than one weekPremium stuff.
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Joel T. Archibald II
> 3 dayEverything they make is fantastic
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Useyourwood
> 3 dayI have a rack mounted PC with 7 120mm fans and 2 80mm fans I I can not barley tell my PC is on after the upgrade!!!!
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Jeff
> 3 dayReplaced the noisy humming fan in an inexpensive HTPC case with this fan. Used the adapter to reduce fan speed to 1100.. The anti vibration mounts eliminate any issues with noise being transferred to the case. This may be the best 15.99 I ever spent. That may seem like a lot, but eliminating the noise that came from the other fan made my ears happy. No change in before and after temps as measured by RealTemp. Noctura will be my go to in the future when I need any type of computer fan.
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Tommi
> 3 dayAbsolutely amazing fans for HTPC. Got 3 of these in Silverstone ML03B case and you will not hear them at all. Keeps my idle & in use temps nicely under control. Zero vibration noise, or really any kind of noise that you could hear when the computer is in use.
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Rockbase
> 3 daythe headline explains my opinion. I use it in my ham radio equipment.
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Phillip Fisher
> 3 dayBought these for my HTPC in the living-room and I can barley hear them but my case stays cool to the touch even after hours of use.
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Prof. Gordon Jaskolski
> 3 dayI was hoping for better air flow, but thats my own fault for overestimating the specs. Build wise the drive is very solid, still, and extremely quiet. Great fan.. Cant really attest to its supposed better static pressure as it doesnt put out much air flow. Works great for what it is, i just need more.
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Ronald W. Springer
> 3 dayI cant believe how quiet - now instead of hearing the fans (3+) I hear my clock running.
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 ULN version provides super-slow 1400/1100rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand 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 |