Noctua NA-FK1 Redux, Second Fan Upgrade Kit for NH-U12S Redux Cooler
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HDFella
> 3 dayGreat add-on. Temp dropped by about 8C under load.
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S. S.
> 3 dayIts a good little kit, it helped my cpu temps. My only real complaint is how thick the anti-vibration pads are. Theyre twice as thick as the pads that come with the original cooler, and the chromax vibration pads I had bought for some additional case fans. As far as I can tell theyre made this thick specifically for this kit and it made installation more difficult than it needed to be. It also causes the fan not to sit directly against the cooler fins. The coolers original fan does sit flush, so Im not sure why they make this kit so that the new fan doesnt.
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Brandon Vasquez
> 3 dayIts greats and actually works but its a little loud and its a pain to install. Is it worth it though? My answer is absolutely. Also use the noise adapters since they actually do reduce noise.
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Haji
16-06-2025rubber pads not for this model
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Trevor Filipowski
> 3 dayWorth the price. Reduced case temps, runs quiet.
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Thomas
> 3 dayGreat product. Thats pretty much it.
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EricVonZipper
> 3 dayI had to try this with a new Noctua cooler as the 4 heat pipe with 2 120 mm fans allowed my 5900x to hit 93c under heavy loads, which would cause it to throttle down. This gave me an 8-10c drop, keeping me under 90, I wont do water as I dont like the drawbacks to water cooling.
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paul_cheng
> 3 dayAdded this as a second fan to the NH-U12S Redux Cooler for an Intel i7-12700K CPU. Setup was straight forward as with other Noctua coolers/fans. This helped to drop the CPU temp about 2 degrees on average at idle/load. Good upgrade at such low price point.
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Mia G.
> 3 dayI have the single fan cooler and it does a wonderful job of cooling vs the stock cooler. I am about 15 (C) degrees cooler with the Noctua. I went ahead and added this second fan and it gave me about 5 (C) degrees more for a total of 20 (C) vs the stock cooler (AMD).
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Luis
> 3 dayKit de excelente calidad, me gustó muchísimo porque es super fácil su instalación. Viene con cables indispensables para alimentar de corriente los ventiladores. Aún así creo que a este kit le faltó para ser el mejor kit; una pasta térmica porque solamente podremos utilizar la que viene de fábrica con el Disipador. Por lo que tuve que comprar una pasta por separado para tenerla en casos como el que actualice mi placa madre y/o realice mantenciones periódicas al computador en general incluyendo el recambio de pasta térmica al procesador. Pero aún así todo es de calidad. Muchas gracias.
The NA-FK1 is a second fan kit for the NH-U12S redux CPU cooler. Upgrading it to a push/pull-style dual-fan setup makes it possible to further improve cooling performance or to reduce noise levels by having two fans running at lower speeds. The kit includes a second NF-P12 redux-1700 PWM fan, anti-vibration pads, fan mounting clips, a 4-pin PWM y-cable as well as two Low-Noise Adaptors – everything you need to boost the efficiency of your NH-U12S redux!
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Enhanced cooling performanceAdding a second NF-P12 redux-1700 PWM fan to the NH-U12S redux makes it possible to further improve cooling performance by around 1-3°C, depending on the application. As a rule of thumb, the gains are bigger the higher the heat load, so the NA-FK1 is particularly attractive for higher-end CPUs, extensive turbo use or overclocking. |
NF-P12 redux-1700 PWMThe NF-P12 redux-1700 PWM fan included with the NA-FK1 is the same high-quality unit that comes pre-installed on the NH-U12S redux CPU cooler, so it’s a perfect match for a push/pull-style dual-fan setup. Supporting PWM for automatic speed control, it can run near silent most of the time and provide massive performance when necessary. |
Lower noise levels and acoustic fine-tuningThe NA-FK1 can not only be used to enhance cooling performance, but also to lower noise levels: by letting both fans run at reduced speeds, either via automatic PWM control using the supplied y-cable or via the included Low-Noise Adaptors, the NH-U12S redux can operate more quietly while maintaining the same level of performance. |
Specifications
Scope of delivery
- NF-P12 redux-1700 PWM fan
- 4x NA-AVP2 grey anti-vibration pads
- Fan mounting clips (one pair)
- NA-YC1 4-pin PWM y-cable
- 2x NA-RC14 Low-Noise Adaptor (L.N.A)
Connector & pin-configuration
4-pin PWM
Renowned Noctua quality
Noctua products are renowned for their impeccable quality and outstanding longevity. True to this legacy, the NF-P12 redux unit that comes with the NA-FK1 set features an MTTF rating of more than 150,000 hours.