Noctua NA-FK1 Redux, Second Fan Upgrade Kit for NH-U12S Redux Cooler

(405 Reviews)

Price
$10.17

Quantity
(10000 available )

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62 Ratings
55
5
2
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Reviews
  • Taylor

    > 24 hour

    I bought it thinking it was a second fan upgrade for the redux cooler, but not only is the fan different but the noise reduction pads are bigger than the stock ones. either way its a good purchase just be ready to put it on patiently

  • Analog Cabin

    > 24 hour

    Mounts great to NH-D15 if memory slot issues cause a 140mm fan to be too big. In my case I could not get the door of my PC installed because the 140 was to tall. This 120mm allowed to to install the case door.

  • R

    > 24 hour

    I was wary because they are suspiciously low priced, but the noctua quality is there. Would recommend.

  • Iván Lopez

    > 24 hour

    Perfecto para el procesador 5600x y 5800x. La marca ofrece mucha información para seleccionar de forma correcta el sistema de refrigeración adeacudo para el eso que se le va a dar al procesador.

  • Todd D.

    > 24 hour

    I have an Intel I7-12700k that is overclocked and adding the second fan keeps the temps more than under control. The Noctua CPU fan is quiet and efficient. This is so much better than having an AIO stuffed in the case.

  • Keith Sibucao

    > 24 hour

    Did bring down my temps from the usual 70c on load in my hp omen case to 53c on my meshify c case that had 3 intake and 3 exhaust fans. Had in a push/pull config on the cpu..

  • Tim Holder

    > 24 hour

    Nice addition to my Noctua NH-U12S Redux and keeps my i5-12600k plenty cool. A little difficult to add on but thats because I clipped on while heatsink was still in my system and its a tight fit for my hands, but a great product.

  • Luis

    > 24 hour

    Kit 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.

  • R. Gorley

    > 24 hour

    Love this product. Easy install and super quiet. No issues at all!

  • Chelsea Ayaya

    > 24 hour

    This was really easy to install and mounted on to my Noctua D15s fan easily! Helped reduce temperatures of my cpu about 1-3 degrees which was nice. Highly recommend this one!

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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 performance

Adding 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 PWM

The 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-tuning

The 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.

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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

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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.

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