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True to the spirit of Noctua’s redux line, the NH-U12S redux is a streamlined, accessibly priced version of the iconic NH-U12S that has established itself as a benchmark for slim, highly compatible 120mm CPU coolers. The redux version uses the same proven heatsink layout that ensures 100% compatibility with tall RAM modules as well as excellent case and PCIe compatibility. Thanks to the popular NF-P12 redux-1700 PWM fan with automatic speed control, it provides high performance under load and runs whisper-quiet at idle. At the same time, Noctua’s renowned, professional SecuFirm2 mounting system and the pre-applied NT-H1 thermal compound make installation child’s play. Backed up with Noctua’s trusted quality, the NH-U12S redux is a smart, affordable choice for a quiet, high-quality 120mm cooler.
Classic 120mm tower size for excellent case and PCIe compatibility
Standing 158mm tall, the NH-U12S redux is short enough to fit most modern mid- or high-end tower cases. Measuring 125mm wide (including fan and fan clips), the cooler stays clear of the top PCIe slot on most standard ATX or Micro-ATX motherboards, ensuring optimum compatibility with multi-GPU setups.
100% RAM compatibility
Thanks to its slim design with only 45mm fin depth, the NH-U12S redux will not overhang the RAM slots on any current platform. This gives the user full access to the memory modules and ensures 100% compatibility with modules that feature tall heat-spreaders or RGB lighting.
Proven NF-P12 fan with PWM
Specifically designed for pressure-demanding applications such as on heatsinks, the classic NF-P12 is a long-standing favourite among quiet cooling enthusiasts. The higher-speed 1700rpm redux line version supports PWM for automatic speed control, which allows it to run near silent most of the time and provide massive performance when necessary.
Optional dual-fan kit
The optional NA-FK1 fan kit makes it possible to upgrade the NH-U12S redux with a second fan in order to achieve even better performance. Containing a second NF-P12 redux-1700 PWM fan, fan clips, anti-vibration pads, a y-cable and Low-Noise Adaptors, it gives plenty of options to fine-tune the cooler for further improved efficiency or quietness of operation.
Measurements
- Height (without fan): 158 mm
- Width (without fan): 125 mm
- Depth (without fan): 45 mm
- Height (with fan): 158 mm
- Width (with fan): 125 mm
- Depth (with fan): 71 mm
- Weight (without fan): 550 g
- Weight (with fan): 710 g
Material
Nickel plated Copper (base and heat-pipes), aluminium (cooling fins)
Cooler Specifications
Scope of delivery
- NH-U12S redux heatsink
- NF-P12 redux-1700 PWM fan
- 4x NA-AVP1 grey anti-vibration pads
- Fan mounting clips (one pair)
- NT-H1 high-grade thermal compound (pre-applied)
- SecuFirm2 mounting kit
Fan compatibility
120x120x25
Streamlined redux edition
Following the idea of Noctua’s redux line, the NH-U12S redux takes the proven concept of the original NH-U12S and reduces it to its essential core: a quiet, quality-made 120mm cooler with streamlined accessories that is highly compatible and easy to install.
Nick Heß
Reviewed in Germany on March 3, 2025
Sehr guter Kühler, ist etwas hoch, ich musste den Lüfter aus meiner Gehäusetür entfernen, weil er mit dem Kühlkörper in Kontakt kam, der Kühler wird hochkant eingebaut und ist ca 5 cm höher als der Boxed Kühler. Der Temperaturunterschied ist enorm. Von vorher unter Last 70-90 Grad auf 35-50 Grad runter. So ist das ok. Ich bin gespannt, wie er im Sommer kühlt. Dann ist die Raumtemperatur 20Grad höher. Alles in allem ein guter Kühler! Leise und effektiv.
J. Warnock
Reviewed in the United States on February 8, 2025
Use this for my Asus ROG Strix B550-F build using the Corsair 4000D case. Every bit as good as most water coolers and much easier to install.
R. Adeon
Reviewed in the United States on January 17, 2025
Comes with 2 fans if desired, but I went with just one and it is super quiet. I am not so much of an overclocker, just a lite overclock with Intel Extreme Tuning software on a 3.4 GHZ i7 14700K. This Noctua cooler stays quiet and keeps the CPU cool. Easy to install.
Logan
Reviewed in the United States on July 19, 2024
I've had this cooler since December of 2022, and I just had to come back to sing it's praises. Affordable and it's from noctua, with pretty much every benefit you get with their mainline or chromax coolers: Easy installation, quality thermal paste (pre applied here, but easy to get if you need more), Future conscious service for when and if a new socket generation comes around (which it certainly has with AM5), and best of all it's QUIET. Some tech reviewers (only LTT as far as I know) have said that the older fan bearing system will cause it to be louder, but I can confidently say that this has been the quietest cooler I have ever owned (don't miss the AMD wraith spire one bit). I would buy another one of these for any system I would build in the future without hesitation. My only hope is that Noctua takes this budget friendly cooler idea and make a lineup of redux budget coolers (Imagine a NHD15 redux for like 80 or 90 bucks vs the normal 110/115)
カスタマー
Reviewed in Japan on March 9, 2024
以前はデフォルトのクーラーを使っていましたが、この新しいクーラーは素晴らしいです
Brandon B
Reviewed in the United States on November 14, 2024
Never thought I would be in the market to buy a replacement CPU Cooler, but alas, here I am. Before purchasing and installing this, my system's CPU (11th generation i7, not overclocked) was routinely reaching temperatures of 90 to 95 degrees C while playing some very old games. After purchasing this cooler (and the additional fan kit), my system now tops out around 60 to 65 C while playing those same games. Computer idle temperature at system startup has also dropped by about 8 degrees C. Bravo! This cooler works great! Problem solved.
Alan
Reviewed in the United States on May 24, 2023
Purchased this with the optional second fan as an upgrade from the stock cooler that comes with my 5600.I had been looking at purchasing a Noctua cooler, specifically the NH-U12A or the NH-U12S but could not justify pulling the trigger on a $100+ cooler when the stock cooler was doing a good enough job. But then I found this cooler with basically the same performance for half the price, and I knew I had to get it.PROS:-AMAZING cooling! With the stock cooler, my CPU would get to 90+ degrees while performing a 10 minute Cinebench. With this cooler, it barely gets above 60 degrees while performing a 30 minute Cinebench test. While gaming, even under the most CPU stressing game I have (Dead Space Remake) it stays under 65 degrees with PBO enabled.-This thing is QUIET! Like I said, I had purchased the secondary fan for a push/pull configuration on my cooler and even with the second fan, this thing is silent. Really the only noise coming from my PC is from the GPU fans spinning up. Before, my PC was noisy with the stock cooler, but I didn't realize HOW noisy it was until I put this one in.-You cannot overtighten this cooler because of the spring loaded screws on the cooler-Comes with Noctua thermal paste pre applied, so you do not have to worry about paste, but get some just in case. Arctic mx-4 is $5 extraCONS:-It is tough to get the mounting hardware on without help. I managed to do it but it would be 100x easier with someone helping, or by removing the MOBO from the case. But I was lazy and didn't want to deal with that. Plus, some of the standoffs for my board are under where the fans end up sitting, so I still would have had issues with it.-Some people have had issues with motherboard compatibility, but this could be user error. I use a Gigabyte B550M DS3H and had no issues. This cooler uses the backplate that came with the board for AM4. Intel uses the included backplate.-The threads for the screws are on the mounting hardware, and when you loosen the screws on the cooler, they are not free of the screws on the mounting hardware, keeping you from turning the cooler to break the seal from the thermal paste. Since this comes with Noctua paste pre applied, good luck getting this off without a fight.-Attaching the fans is hard as hell, especially if you do it in your case. I found that doing the secondary fan (if you buy one) first, then the front fan is WAY easier than doing it the other way. And the fans might block standoff screws if you put them on outside of the case.I highly recommend this cooler, and its good to see that the Noctua name holds up even on a more budget option.
İsmet
Reviewed in Turkey on December 7, 2023
Ürün çok kaliteli soğutma anlamında çok güzel zaten r5 5600 işlemcide kullanıyorum 30 derecelerde boşta yaptığım prime95 ve diğer testlere rağmen 58 dereceyi geçiremedim anakartım destekleseydi kesinlikle bu soğutucuya güvenip overclock yapardım
EssamAlansari
Reviewed in Saudi Arabia on April 11, 2023
Best Cooler
Justin
Reviewed in Canada on February 6, 2022
I bought this because I was hitting peak temperatures of 82c on my Ryzen 5 5600x under full load with the stock cooler on stock bios config for the cpu.I chose this unit because I gad a great experience previously with the NH-u12P on my old core i7 920 and decided to stick to a brand I know even if it cost a bit more than the competing deepcool and cooler master units. I definitely don't regret this decision. Core Tempuratures with the Noctua dropped to 55c under full load. A pretty substantial drop. As a bonus, the better thermals allow the CPU to boost better: my Cinebench scores went up from 10600 to 11200.Pros:-Easy and very solid installation/mounting process and overall setup. Easily the best in the business.-Quieter than the stock Wraith cooler even at full fan speed. The Noctua fan doesn't even end up spinning at max rpm under the stock fan speed curve of the motherboard and temps are still excellent.-27c temp drop for my own personal setup under full load.-Noctua build quality and performance for a more reasonable price.Cons:-Still expensive compared to the Deepcool Gammaxx 400 and Cooler Master Hyper 212 for likely similar performance. You definitely pay premium for the better mounting system and brand recognition.-The redux fan is quiet but still noisier and not as efficient as the regular Noctua fans.
William
Reviewed in the United States on November 15, 2022
I purchased this along with its second fan kit. Mounted on a ryzen 7 5700G which I then overclocked to 4.5Ghz all core stable at 1.35V.When running heavy benchmark loads, burnin tests, and intense workload programs the max temp was 40°C. Fan noise is negligible at best and the pwm keeps them in a good zone without needing the power limiter.I used to build systems professionally at work and have used most high end components available so I get to test a lot of configurations. Normally my preferred air cooler is the be quiet dark rock pro 4, but this little beast has honestly stolen my affections. In most workloads the performance is near identical to coolers twice its cost so it really is a good value.Downside, its not the nicest looking cooler. It has a decent style with the grey and silver so you can pull of some nice looking builds, but its no head turner and honestly is best for systems that arent showcases.Bottom line, an exceptional cooler for a very reasonable price.I first tested this on intel 12th gen and they did great with non k sku models and a single fan.If you are doing a 12700k, 12600k, or their new 13th gen versions then this guy is a great buy. If, however, you want to oc the intels, then you may want to look into 240mm aio or bigger fan solutions.If you are looking to build a good performance amd 5000 series based system, look no further. The great efficiency of the amd 5000 means this cooler does extremely well with these cpus.I selected the 5700g for both budget and my needs which arent crazy. Im not really into buying the end all be all and tend to lean more into efficiency and capability.This cooler keeps my system stable and running exceptionally well and I still have headroom to work with.No question, while there are cheaper units and some better performing units none have both as well as this. This is the best budget cooler available today.
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