Noctua NF-A8 ULN, Ultra Quiet Silent Fan, 3-Pin (80mm, Brown)
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Paulo
> 3 dayBought two of these to replace a competitor’s fans I use for cooling of an A/V cabinet. Those fans were, in turn, replacements for some older ones that had burnt out after fifteen years. Anyway . . .
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BHGemini
> 3 dayUsing this in a MSI Z170A M7 / i5-6600K build. You have to set the Smart Fan controls in bios first (didnt see my boot ssd otherwise) and then it is whisper quiet. I also have the NH-L12 low profile CPU cooler. when hooked up and the NF-P12 case fan. If you let the motherboard control these fans, you have a hard time knowing they are on. CPU and case temps are in the blue, even during video conversion. Love these fans and you cant go wrong with Noctua!
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Robert M. Hicks
> 3 dayVery good value
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Vidiot
> 3 dayThis thing is as quiet as a fan that is off. And, it also moves air exactly as well as a fan that is off.
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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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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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William P
> 3 dayI have had the fan installed 6 months. It has worked flawlessly. I purchased it to reduce the noise from my PC. It helped greatly.
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Vantor
> 3 dayTop and perfect fans! Replace all fans to the brand Noctua! Plus also installed Noctua for CUP and my raid controllers 40x10 Noctua fan is on the way of delivery! So my little tiny box will have total 6 Noctua fans!
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Red Stick Technologist
> 3 dayUnlike some other fans Ive tried, this unit remains quiet several months after installation. It is expensive, but worth it to me.
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Michael Estrada
> 3 dayGood product, fast delivery.
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 |