Noctua NA-FK1 Redux, Second Fan Upgrade Kit for NH-U12S Redux Cooler
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C F
> 24 hourBought this upgrade for the heatsink I installed in my new rig and this fan was super easy to install with its quick connect brackets. Fan feels well constructed and is very quiet so far. Id recommend this.
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zura
> 24 hourbest quality. Works greats. No issues.
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James
> 24 hourCant go wrong with this one. High quality product for a great price. Ease of installation depends on how tight of a fit your case is, but its the same thing as the fan that comes with the cooler.
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Anon
> 24 hourSo as others have stated I used this as an add on fan for the NH-D15 cooler. My ram was too big to fit the 140mm fan in a push configuration in my meshify C case so I had to set my 2 larger fans in a pull pull configuration as seen in the photos. That was fine for a while with no problems until I upgraded to a 12700k and started to dabble in overclocking it. The cpu puts out a ton of heat when overclocking starts and before my cinebench r23 would quickly push my cpu to 97c and hold steady at that temp until the run completed. After throwing in this fan without changing anything else my temperature dropped the 89c under load with r23 pulling 230 watts with my nh-d15. That’s an incredible 8c drop and way more than I was expecting. Obviously ymmv depending on your use case. I already had 7 fans in my case as it was and this would make 8 and I wasn’t expecting this much of a difference but I think adding the push fan made the difference.
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Todd D.
> 24 hourI 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.
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Thomas
> 24 hourGreat product. Thats pretty much it.
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Tim Holder
> 24 hourNice 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.
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Analog Cabin
> 24 hourMounts 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.
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Dougie
> 24 hourI bought this to slap on the front of my NH-D15 so I could move the other two fans back a slot and have three fans, because Im stupid, and was curious to see if there would be much of a difference in temps. Well, there was. About 9c, so Im going to leave it on there.
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Gabriel Q.
> 24 hourOverall great product but keep in mind that it does not come with screws, unless you have mounting screws of your own this is not a problem. U feel like a set of screws should’ve been added to give the buyer a more flexible spectrum of where they could place this fan. Fan itself is a 5 star, kit would be like a 4 1/2 would definitely buy again if needed.
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.