Perfect for cooling my AMD Ryzen 5 5600X (65 watt CPU). Lower temps, quiet fan. With the preapplied thermal paste, it was also a very straightforward installation. I¡¯m pleased!
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This item: Noctua NH-U12S Redux, High Performance CPU Cooler with NF-P12 redux-1700 PWM 120mm Fan (Grey)
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From the brand
Noctua Cooling Solutions
Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality.
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Product Description
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 mm
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.
NH-U12S
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NH-U12S TR4-SP3
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NH-U12S DX-4677
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NH-U12S redux
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NH-U12S chromax.black
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NH-U12A
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| Customer Reviews |
5,130
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224
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10
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3,959
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3,374
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| LGA1851, LGA1700 | ✓ | X | X | ✓ | ✓ | ✓ |
| LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) | ✓ | X | X | ✓ | ✓ | ✓ |
| LGA20xx Square ILM | with NM-i20xx | X | X | with NM-i20xx | with NM-i20xx | with NM-i20xx |
| LGA20xx Narrow ILM | X | X | X | X | X | X |
| LGA4189 | X | with NM-i4189 | with NM-i4189 | X | X | X |
| LGA4677 | X | with NM-i4677 | ✓ | X | X | X |
| AM5 | ✓ | X | X | ✓ | ✓ | ✓ |
| AM4 | ✓ | X | X | ✓ | ✓ | ✓ |
| TR4, SP3, sTRX4, sWRX8 | X | ✓ | X | X | X | X |
| sTR5, SP6 | X | with NM-TR5-SP6 | with NM-TR5-SP6 | X | X | X |
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A Noctua purchase is a no brainer. The quality is clearly there. Easy to understand instructions. Totally worth the extra couple dollars to get quality. Highly recommend
Top reviews from Canada
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- Reviewed in Canada on April 12, 2025Verified Purchase
- Reviewed in Canada on March 12, 2025Verified Purchase
A Noctua purchase is a no brainer. The quality is clearly there. Easy to understand instructions. Totally worth the extra couple dollars to get quality. Highly recommend
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- Reviewed in Canada on February 6, 2022Verified Purchase
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.
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- Reviewed in Canada on January 14, 2022Verified Purchase
Ordered on Nov 29th 2021 and got it on Dec 1st 2021(not a prime member). No LGA1700 upgrade kit included. All you need to do is, go to Noctua website and fill the form(make sure you find the right form for LGA1700 kit). NM-i17xx-MP78 is what you need for this heatsink. They also need you to provide the proof of purchase of NH-U12S redux, and LGA1700 CPU or LGA1700 motherboard. It took over 2 weeks to ship from Austria to Vancouver. Free of charge.
Works pretty good w LGA1700 CPU IF you have the right LGA 1700 upgrade kit
Reviewed in Canada on January 14, 2022
Once you got the upgrade kit, installation is easy. Just follow the instruction of their Youtube tutorial.
Since this heatsink was designed for LGA1200 and older CPU, the heatsink dimension(the contact part to cpu) is slightly smaller than the latest intel 12th gen i5-12600k. The size of heatsink is about 3.5 x 3.5cm(the contact part to CPU). The long side of i5-12600k cpu is 3.9cm. After the new system boot up and launch the HWiNFO64, what a relief. The temperature is just fine. It's around 25-27¡ãC idle most of the time.
You may google the review of NH-U12S redux. It's only one or a few degree higher than those much more expensive/intimidating cooler heatsink. It fits to my MSI PRO Z690-A WIFI DDR4 and old case Arc Midi R2 very well. You can check your PC case compatibility at Noctua website as well.
1 star off since no upgrade kit included. Hope they do by the time you place your order.
PS: if you have M.2 SSD and want to put it to the slot below the CPU, install it first before you put the heatsink on. I'm still using my 2 y/o Samsung 860 EVO 1TB as OS drive(plus 4 more SATAs). and I'm not sure if you need to remove the heatsink if you wanna install the M.2 later. It's very close. Some M.2 drive w heatsink is big, the heatsink may be in its way.
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Top reviews from other countries
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?smetReviewed in Turkey on December 7, 2023
Muazzam so?utma ve noctua kalitesi
Verified Purchase - EssamAlansariReviewed in Saudi Arabia on April 11, 2023
Best Cooler
Verified Purchase - Andres ChangReviewed in the United States on June 11, 2025
Excellent cooling performance and silent
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I been using it in a i5 13400f playing CP 2077, Wukong, Warzone, etc and never passes 55 centigradeAndres ChangExcellent cooling performance and silent
Reviewed in the United States on June 11, 2025
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thanks youReviewed in France on May 23, 2025
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Â鶹Çø ¥«¥¹¥¿¥Þ©`Reviewed in Japan on March 9, 2024
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