Noctua NF-A12x15 FLX, Premium Quiet Slim Fan, 3-Pin (120x15mm, Brown)
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Ms. Sophia Botsford
> 3 dayStrong wind, completely silent fan. The best case fan currently
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Daniel gentry
> 3 dayPs4 fan mod to cool system memory, top of ps4 got pretty hot.
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prime addict
Greater than one weekThe build quality on these fans is outstanding. Feels like something that will serve me for many years, through many computers.
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Peter Ray Jay
> 3 dayBest fan for an SFX build ever! 10/10
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Aaron
10-06-2025Very quiet, which is exactly what I wanted.
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Fishman
> 3 daySilent!!!
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Old Toast
Greater than one weekThe low profile decent makes any system look aesthetically pleasing especially compared to a larger profile cooler. Better than stock Intel coolers but not as effective as a larger budget cooler. Ultra quiet!
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Nathan Moss
> 3 dayBought a number of these fans. They are silent. I run my HTPC all day and night and the fans do a great job of keeping it cool and quiet. Years now. Bought some more for my sons PC build and the quality is still there. They arent the easiest to install because of the silicone screws - but nothing that works this well is usually easy to install. Top marks across the board.
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Miguel ramirez
15-06-2025Super quite and thermals are really low. I got this slim fans for my small case and they fit perfectly.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A12x15 is a highly optimised, premium quality quiet fan in size 120x15mm. Its 15mm slim design makes the NF-A12x15 ideal for space-restricted applications such as low-profile CPU coolers or HTPC cases. The FLX version provides 1850/1400/950rpm speed settings via the supplied Low-Noise Adaptors in order to allow 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
Metal-reinforced motor hub
With many larger-diameter slim fan designs, the shorter axis and bearing lead to a reduced running stability and lifespan. The NF-A12x15 uses a metal-reinforced motor hub, a measure typically found in high-speed industrial fans, in order to ensure Noctua’s signature stability and longevity.
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Flow Acceleration ChannelsThe NF-A12x15 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-A12x15 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 mounting systems and fan clips used on heatsinks. |
Scope of delivery
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15mm slim design
Having a thickness of only 15mm, the NF-A12x15 is much slimmer than standard 120x25mm fans. This makes it ideal for typical slim fan applications such as low-profile CPU coolers as well as for freeing up space by replacing standard 120x25mm fans on tower coolers, radiators or in PC cases.
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| NF-A12x15 PWM | NF-A12x15 FLX | NF-A12x15 PWM chromax.black.swap | |
| Connector | 4-pin PWM | 3-pin | 4-pin PWM |
| Voltage | 12V | 12V | 12V |
| RPM | Max: 1850 / Min: 450 | 1850 | Max: 1850 / Min: 450 |
| RPM with L.N.A. | 1400 | 1400 | - |
| RPM with U.L.N.A. | - | 950 | - |
| Acoustical Noise | 23,9 dB(A) | 23,9 dB(A) | 23,9 dB(A) |
| Acoustical Noise with L.N.A. | 16,8 dB(A) | 16,8 dB(A) | - |
| Acoustical Noise with U.L.N.A. | - | 10,2 dB(A) | - |
| Size | 120x120x15 mm | 120x120x15 mm | 120x120x15 mm |
| Colour | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |