Noctua NF-A12x15 FLX, Premium Quiet Slim Fan, 3-Pin (120x15mm, Brown)
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Karol
> 3 dayI gotta say, this fan is something else. Its my first Noctua product, and the quality of the packaging, the fan itself, and the associated manual is next level. The fan works perfectly, Im glad how short the cable is by default (something to expect for fans of this size mainly used in small-factor rigs, yet its not always the case). I ended up staying with Noctua for my other needs after using this fan.
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Javier
> 3 dayIt barely spins and takes our air from my PC, I was expecting something better from Noctua. This Slim fan does not work properly, I guess I got a malfunctional one.
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Eugene
Greater than one weekI made the mistake of not getting these in PWM. So I’m stuck to manually changing out the connection cables to tune the fan speed. These fans come with 3 types of cables that correspond to the speed you want to run them at. It was my mistake for getting these as I wanted fan speed to be handled by my mono.
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Lakis
> 3 dayWonderful fan that, even when at Max, isnt as loud as youd think. Its more effective than the Silverstone Slim fans and the rosewell fans you can find here on Amazon.
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Ms. Sophia Botsford
> 3 dayStrong wind, completely silent fan. The best case fan currently
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JSmith
> 3 dayI had to find a slim set of fans, as I couldnt fit standard 120mm fans with my Corsair H100i in a Corsair Obsidian 250D mini-itx case. These fit perfectly, and Noctua makes some of the best (and ugliest) on the market. They pull enough air through the radiator to keep an i5-6600k OCd to 4.8GHz at ~34c at idle and mid 60s under load.
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Erica McDermott
> 3 dayThe fans are really silent and slim, exact what I was looking for. I recommend it.
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Abimael Ramos
> 3 dayThese are good quit fan but ugly not good for an rob setup
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JL
08-06-2025Air movement is great! However, it does generate a whining sound above 70%.
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Kev
> 3 dayGreat quality came with extra cable extenders
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 |