Noctua NF-A14 FLX, Premium Quiet Fan, 3-Pin (140mm, Brown)
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MichaelT
> 3 dayThe airflow is superb coming from the fan which cools my components more better then my prior case fans.The fan is also quiet which is a double bonus. Totally worth the purchase!
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CDK
> 3 dayWas perfect for my needs and an excellent product.
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doomgunner
> 3 dayThe fans are dead slient at 7V & even with adapters at 9V, only wish it was producing less noise at 12 V.
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Brian
> 3 dayExtremely quiet, good airflow, and I love the in-line resistors (speed controllers) that come with the fans.
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Lance D
> 3 dayNoctua fans are simply one of the best fans on the market. The color of these isnt bad but you have to like it or color will detour you from these. Highest quality and long life and excellent warranty. Super quite too, If you dont like nosie these are a must buy.
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Orlando
08-06-2025Pefect!!!
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Rojax
Greater than one weekNoctua fans are among the best. Great airflow while being quiet. However not the prettiest, but easily recognizable
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Immovable World
> 3 dayWhen the box arrived it was heavy, I didnt even think it was my fans because of the weight. You can just feel the quality with these fans. Heavy, good plastic, rubber on all corners for vibration. Honestly the best fan Ive ever held which sounds weird.
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JWillis
Greater than one weekGood so far. Got rid of the rattling sound of the fans on my Corsair liquid cooled radiator.
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Andrew
> 3 dayMy case (NZXT Phantom 410) is loaded with 8 fans, all of which are 120mm Noctua fans with the exception being the single 140mm fan on the side of the case. The voltage at low speed is not enough to start the 140mm and I have to turn the fan speed up to medium for it to get going, then I can turn it back to low. Rigged with a Cooler Master Silent Pro PSU and a Corsair H100i, my computer runs almost completely silent with the case fans on on low. When cranked up to medium or high, all of the 120mm have a noticeably increased wind noise, but it is not a bother because it is expected noise when they are pushing more air. With this 140mm fan though, as soon as it hits medium speed it really begins chopping the air and you can hear the air buzzing because of it. The fan itself is dead quiet and does move air-a-plenty, but doesnt seem to move the air as smoothly or quietly as the 120mm.
The NF-A14 is a premium quality quiet 140mm fan with a square frame that complies with Noctua’s AAO(Advanced Acoustic Optimisation) standard. Its square shape and 140mm mounting holes (124.5mm spacing) make it ideal for use on watercooling radiators or as an upgrade for 140mm case fans. Featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A14 further improves the renowned quiet cooling performance of the award-winning NF-P14. The FLX version provides 1200/1050/900rpm speed settings via the supplied Low-Noise Adaptors in order to provide 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.
Square 140mm frame
The NF-A14"s square 140mm frame with 140mm mounting holes (124.5mm spacing) makes it a premium grade replacement for common 140mm case fans and perfect for use on 140mm water cooling radiators, where its square shape will ensure full coverage and best pressure performance.
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Flow Acceleration ChannelsThe NF-A14 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-A14 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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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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| NF-A14 PWM | NF-A14 FLX | NF-A14 ULN | NF-A14 5V PWM | NF-A14 5V | NF-A14 PWM chromax.black.swap | |
| Voltage | 12 V | 12 V | 12 V | 5 V | 5 V | 12 V |
| Connector | 4-pin PWM | 3-pin | 3-pin | 4-pin PWM | 3-pin | 4-pin PWM |
| RPM | Max: 1500 / Min: 300 | 1200 | 800 | Max: 1500 / Min: 300 | 1500 | Max: 1500 / Min: 300 |
| RPM with L.N.A. | 1200 | 1050 | 650 | - | - | - |
| RPM with U.L.N.A. | - | 900 | - | - | - | - |
| Acoustical Noise | 24,6 dB(A) | 19,2 dB(A) | 11,9 dB(A) | 24,6 dB(A) | 24,6 dB(A) | 24,6 dB(A) |
| Acoustical Noise with L.N.A. | 19,2 dB(A) | 16,4 dB(A) | 9,1 dB(A) | - | - | - |
| Acoustical Noise with U.L.N.A. | - | 13,8 dB(A) | - | - | - | - |
| Size | 140x140x25 | 140x140x25 | 140x140x25 | 140x140x25 | 140x140x25 | 140x140x25 |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige | Black with swappable coloured anti-vibration pads |