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The NH-U12A is the latest, 5th generation of Noctua’s NH-U12 series of 120mm size premium-quality quiet CPU coolers. Conceived to push the envelope of the 120mm form factor, it combines two of Noctua’s flagship model NF-A12x25 PWM 120mm fans with a completely redesigned heatsink featuring 7 heatpipes and an increased fin surface area for superior heat dissipation. This way, the NH-U12A can rival the performance of many 140mm size coolers while offering 120mm class case and PCIe compatibility. Topped off with the trusted, pro-grade SecuFirm2 multi-socket mounting system and Noctua’s proven NT-H1 thermal compound, the NH-U12A is a deluxe choice that combines top-tier performance with excellent compatibility and outstanding quietness of operation.
Classic 120mm tower size for excellent overall compatibility
Standing 158mm tall, the NH-U12A 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 on LGA1851/LGA1700 and AM4/AM5
Due to its asymmetric design, the NH-U12A does not overhang the RAM slots on Intel LGA1851/LGA1700/LGA1200/LGA115x and AMD AM4/AM5 based motherboards, which ensures easy access to the modules and 100% compatibility with DIMMs that feature tall heat-spreaders.
Dual NF-A12 120mm fans
The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua’s latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance. Using this elite-class fan in a push/pull dual fan configuration is one of the cornerstones of the NH-U12A’s commanding performance and acoustic efficiency.
NT-H1 thermal compound
Noctua’s much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability. Chosen again and again by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds.
Measurements
- Height (without fan): 158 mm
- Width (without fan): 125 mm
- Depth (without fan): 58 mm
- Height (with fan): 158 mm
- Width (with fan): 125 mm
- Depth (with fan): 112 mm
- Weight (without fan): 760 g
- Weight (with fan): 1220 g
Materials
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Cooler Specifications
Scope of delivery
- 2x NF-A12x25 PWM premium fan
- 2x NA-RC14 Low-Noise Adaptor (L.N.A)
- NA-YC1 4-pin PWM y-cable
- SecuFirm2 mounting kit
- NT-H1 high-grade thermal compound
- Noctua Metal Case-Badge
Fan compatibility
120x120x25
140mm performance in 120mm size
Thanks to its completely revised 7 heatpipe layout, 37% more fin surface area and a dual fan push/pull configuration that uses the new, state-of-the-art NF-A12x25 fans, the NH-U12A can actually match or even outperform many 140mm sized coolers.
Jason A Wiese
2025-08-30 15:22:01
Can't say enough good things about this cooler, with the one draw back being that it is very pricey. However, it does come with 2 of Noctua's new NF-12Ax25 fans which by themselves are $30 each. So the actual heatsink is only 1/3 the total price and is a consideration when looking at the cost/value proposition.Heatsink: The heatsink itself is very good. Has 7 heatpipes which is the most I've seen in a 120mm tower cooler. It also doesn't cover/block any of my ram slots (even on my mini-ITX board) with the fans mounted. My Coolermaster Hyper 212 EVO with the fan mounted would still cover the first ram slot, so I'm not sure how Noctua managed to pull this off as according to the specs the Noctua bare heatsink is 7-8mm wider than the Coolermaster. Mounting system is typical Noctua SecureFirm and fantastic.Fans: The 2 included fans are Noctua's new fans that took them 3 years to develop. There's never been so much hype on a fan than these, and you should read up on why it took so long to develop, it's an interesting article. What I can say after using them is that they are much quieter at a given RPM than my other high performance fans. I have to put my ear with in an inch or two to hear them under normal operation (about 50%-60% speed is where they normally running at) and they are barely audible at 100% when they spin up to full speed when I first turn on my PC. Note that the fans have pretty short power cables, and the heatsink does not include extension cables like you get if you purchase the fans separately.Performance: I am using one fan on the heatsink in a push configuration and the other fan as a case exhaust fan about one inch away from the heatsink. So it's similar to the intended push/pull configuration, but with a small gap between. Under 100% synthetic load my delidded i7 7700k runs in the high 50s low 60s degrees Celsius at ~1.3v vCore and ambient temp of 24C (75F). Under real word gaming load, the CPU was running at an average 48C with occasional short spikes into the 50s. All this in a very small, but well ventilated ~13L mini-itx case. This is fantastic performance and rivals bigger coolers like the Noctua D15 but is so much easier to fit in a small mini-itx case.Overall: I think the performance of this cooler is the best you can get at this size point. Compared to my Hyper 212 EVO, it performs better, is quieter under load, doesn't cover my RAM, and has a MUCH better mounting system. All this comes at a price, it's considerably more expensive than a Hyper 212 EVO. But in my opinion it's worth it if you aren't on an extremely tight budget. Noctua products are premium products, the best of the best, and the quality shows both in performance and ease of installation.
Dan Miller
2025-07-30 12:25:01
Sure the standard color scheme is tan and brown, but those colors demand some respect given the quality of Noctua's fans. Having used their coolers for builds in the past with great results, I did not hesitate picking this as an air cooler. If you're looking for top notch air cooling for your CPU, this is a great package.In terms of performance, in my system running a Ryzen 7 5800x, the temps are staying below 40°C at idle with the fans totally unnoticeable. Under heavy CPU load (such as a torture test), it just barely cracks above 85°C and the fan noise is audible but not obtrusive.Installation is fairly straightforward. The package includes both LGA and AM4 brackets, so you should be good to go depending on what kind of system you want to install it in. The instructions are also sufficiently detailed to make sure the entire installation process is a piece of cake. Do keep in mind the dimensions of your case, as this is a fairly large cooler.Overall, this is a high quality product that should be more than sufficient as a cooling solution for most moderate use cases, and perhaps a bit overkill for typical gaming and productivity workloads. Highly recommend.As a side note: the heatsink covers they now sell as well are a neat addition and easy add-on if you're not put off by the additional cost.
Waslost1
2025-07-09 15:59:56
I recently upgraded my CPU from a Ryzen 5 2600X to a Ryzen 7 3800X. I knew I was moving up to a 105C processor but I thought I could get away with my Prism Spire Cooler because I am not gaming. This is a CAD workstation part time, otherwise general office use. The original AMD Spire cooler was keeping the machine between 60-80C most of the time but it did bump the 90C max limit a few times which was a little discouraging. I might have lived with it except for the fact that the fan was howling all day long and nearly driving me out of my mind.I began my search and decided upon the Noctua NH-U12A because of the low noise specifications. Let me be clear, I really didn't want to pay the high price for this cooler. In hindsight, I wish I had just stayed back with a 65W CPU, but I was already past that point and needed to deal with it. The Noctua cooler performs as well as the specifications indicated and it keeps my processor in the 29C Min - 33C Average - 60C Max temp range (according to HWiNFO64) after a full day of use under my toughest loads. This is a high quality cooler, I won't deny that. It does a great job cooling and it does it quietly averaging
Cliente
2025-04-12 14:59:28
Calidad Noctua y se nota. Lo compré para ponerlo a enfriar un i5 13600K y va sobrado. No es excesivamente grande y enfrÃa más que la mayorÃa de disipadores por aire del mercado, incluso mucho más voluminosos que este.Viene con 2 ventiladores de 120mm en formato Push Pull (Entrada y salida de aire) con un splitter para conectarlo al CPU fan y que funcionen ambos para maximizar la eficiencia y apenas hacen ruido. Además trae 2 cables más llamados "Reduction Noise" que sirven para limitar el máximo de vueltas a las que pueden llegar los ventiladores y que no giren al 100% de su capacidad cuando haya mucha temperatura y por tanto mitigan el ruido a muy altas vueltas. Yo no los estoy usando porque en un uso normal ni se oyen.ContentÃsimo con la compra. Totalmente recomendables si quieres tener lo mejor en cuanto a refrigeración por aire.
Warley Sousa
2025-03-19 11:02:33
Não existe defeito!
Fizzle
2025-01-30 12:57:00
Ich tauschte meinen Noctua NH-U9S gegen den U12A.Das mitgelieferte Set hat wirklich alles was man braucht (extra schraube, sockel, halterung, offstand, Schraubenzieher, Kabelsplitter, PASTE! etc... und eine einfache Englische Anleitung mit gut erkläten Schritten.Da ich bereits ein ähnliches Model hatte musste nicht mal das Mainboard raus.Fans runter. Schrauben raus. Paste neu. Und das ganze Rückwärts.Sehr leise isser- man merkt sofort nen deutlicheren Zug und die Temperaturen sind auch wesentlich tiefer. Mit ordentlichen Kabelmanagement (was mein Prebuild kaum hat) kann man sicher noch was rausholen...Tolle Sache!ps. Ratchet n Clank Rift apart (alles ultra ohne upscaling) ist von 60-65° auf 48~53 selbst in hektischen Kämpfen. Glatte 12° und meist sogar15°
Dave B.
2025-01-20 11:44:45
Bought this while ago but forgot to review it it works great no issues with installation ...Never really liked the color though but I'd rather have performance than aesthetics
Alessa
2025-01-16 13:20:26
Dopo sei mesi di utilizzo, il dissipatore Noctua NH-U12A ha confermato la sua reputazione di eccellenza. Grazie alla sua doppia torre e alle ventole NF-A12x25, offre un'ottima capacità di raffreddamento, mantenendo temperature stabili anche sotto carico intenso. Il design compatto lo rende adatto a case di dimensioni più piccole, senza compromettere le prestazioni. Nonostante le elevate prestazioni, è molto silenzioso, un marchio di fabbrica di Noctua. L'installazione è stata semplice e il prodotto è stato estremamente affidabile, senza alcuna fluttuazione di performance. Se cercate un dissipatore efficiente e silenzioso, il NH-U12A è una scelta eccellente.
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