Noctua NF-S12A PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
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RickyJH
> 3 dayI purchased these fans to replace two cooler master fans that seemed to be giving out. I have a corsair 300 r case and my old fans which were on the side panel were making a very annoying noise that I could hear from other rooms. I tried giving them some TLC but it didnt help much. I got fed up having to hear that so I decided to try these noctua fans. They were super easy to install and now the noise is GONE. I dont know if I necessarily needed to go with these fans, maybe others wouldve been fine for noise as well, but these are extremely quiet. I dont really do any heavy over-clocking or anything crazy so my need for cooling may not be the same as other people. That being said, I did notice a drop in temperature after installing these fans, so Im assuming theyre doing their job well. Though at this point I really only care that theyre extremely quiet (for emphasis).
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Jonas A.
> 3 day... a lot of air, quietly..
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erple2
> 3 dayGood, solid fans. I bought 3 of them and put them in my case. I allowed the MB to control the fan speeds (manual control just seems dumb to me) based on load/heat detection. They are more or less quiet (I dont notice them running, but my desktop is under my desk), and appear to move plenty of air when needed. Typically, if the machine is under heavy load, the CPU/GPU fans drone out any noise from these fans. I dont have a CFM measurement device, nor a pressure sensor, so I cant comment on the actual performance of the fans. They are well-built, and have some nice touches - the edges are smooth, and rubberized-plastic coated, but that doesnt actually contribute to any noise canceling. The are, after all, attached via hard screw to the case.
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Martin Lafleur
11-06-2025High quality feeling, quiet, high airflow, it’s a Noctua fan what do you expect? I have it on its low noise adapter and I can’t even hear it
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Areeg
> 3 dayYou think you can hear it? simply WOW!
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Humberto Hermann
> 3 dayQuiet and durable
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John Q. Public
> 3 dayGreat fans...
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Francesco
> 3 dayTralasciando la ventola in sé, che, da sola, rappresenta un gioiellino di ingegneria, vi inviterei a diffidare di tutti coloro che vi diranno che questa ventola è silenziosa: è INUDIBILE! Non sono riuscito a sentirne il rumore nemmeno accostando lorecchio alla paratia del mio case!
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K
> 3 dayWorks great! Noctua makes the best fans, hands down.
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Edouard
> 3 dayMonter à larriere de mon HAF922 ! un silence au top !
The NF-S12A marks the third generation of Noctua’s signature S12 series quiet case fans, which have received more than 250 awards and recommendations from the international press. Featuring a further refined blade design with Anti-Stall Knobs that works in tandem with the new AAO (Advanced Acoustic Optimisation) frame, the NF-S12A improves the airflow/noise efficiency of its renowned predecessor by up to 8%. 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 1200 to 900rpm. Its superb running smoothness, SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for quiet case cooling
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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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. |
SSO2 bearingThe NF-S12A 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. |
Inner Surface MicrostructuresWith 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. |
Scope of delivery
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Anti-Stall Knobs
The NF-S12A"s Anti-Stall Knobs reduce flow separation phenomena in medium to high impedance situations and thereby increase the fan"s stall margin. This means that the NF-S12A is even more versatile than its renowned predecessor and can achieve better performance on heatsinks and radiators.
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| NF-S12A PWM | NF-S12A FLX | NF-S12A ULN | NF-S12A PWM chromax.black.swap | |
| Connector | 4-pin PWM | 3-pin | 3-pin | 4-pin PWM |
| Voltage | 12V | 12V | 12V | 12V |
| RPM | Max: 1200 / Min: 300 | 1200 | 800 | Max: 1200 / Min: 300 |
| RPM with L.N.A. | 900 | 900 | 600 | - |
| RPM with U.L.N.A. | - | 700 | - | - |
| Acoustical Noise | 17,8 dB(A) | 17,8 dB(A) | 8,6 dB(A) | 17,8 dB(A) |
| Acoustical Noise with L.N.A. | 10,7 dB(A) | 10,7 dB(A) | 6,7 dB(A) | - |
| Acoustical Noise with U.L.N.A. | - | 7,4 dB(A) | - | - |
| Size (mm) | 120x120x25 | 120x120x25 | 120x120x25 | 120x120x25 |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |
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