Noctua NH-U12A, Premium CPU Cooler with High-Performance Quiet NF-A12x25 PWM Fans (120mm, Brown)
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scottyfon
09-06-2025Incredible, excellent quiet cooling, but the 3 prong motherboard connection puts out only 30% fan power at 90 degrees C and 100% output (mining), causing computer shutdown when the processor overheats. The fans must use more power than anticipated by the motherboard. Dont plug it into the motherboards cpu fan connections, but get an adaptor to power it directly from the power supply, if you want to use your processor at 100% for mining or gaming. There are two fans to plug in, so get two 3 prong connectors adapted to a 4 prong molex when you order it, if you want the fans to run at full power for heavy computer processor use.
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Luis Ernesto Villamizar Rincón
Greater than one weekMe encanta este disipador, si que puede poner a margen a mi ryzen 9 3900x, noctua si que cumple con lo que dice, y es totalmente silencioso, es casi inexistente el sonido, valio cada centavo de mi dinero, y recomendaria a quien fuese este noctua nh-u12a
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simobof
> 3 dayOttimo prodotto, arrivato qualche giorno prima della data prestabilita.
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Henry Arnold
> 3 dayWorks great!
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Hands On
Greater than one weekVery positive attachment system. Super quiet even with both 120mm fans running. Very effective cooling compared to Intel stock cooling solution.
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Thomas
> 3 dayI have this on my Ryzen 5 5600X overclocking at 4.5mHz and my CPU doesnt get over 50C while doing stress tests. For the size of the heatsink and fan Im very impressed with how well it performs.
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Yusuf Sahin
Greater than one weekSuper einfache Montage und sehr leise.
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Andy
> 3 dayAwesome cooler, I replaced my H100 with this as I wanted a near quiet experience at idle.
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MaKa
Greater than one weekNachdem mein Brocken 3 es vorher in meinem alten Cooler Master Masterbox 5 Mesh Case nicht geschafft hatte einen Ryzen 7 5800x3d unter 90 Grad Maximaltemperatur zu halten im Cinebench, habe ich auf den Noctua U12A umgerüstet und was soll ich sagen? Das Teil hält wirklich was es verspricht!
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Gilad K.
Greater than one weekI used this unit to lower my CPUs temps since Im running a 9900k at 4.8ghz and it used to reach 100c under stress, now I get around 70c under the same conditions.
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.
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Classic 120mm tower size for excellent overall compatibilityStanding 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 LGA1700/1200 and AM4/AM5Due to its asymmetric design, the NH-U12A does not overhang the RAM slots on Intel LGA1700 (LGA17xx family)/LGA1200/LGA115x and AMD AM4/AM5 based motherboards, which ensures easy access to the modules and 100% compatibility with tall heat-spreaders. On LGA2066, the rear fan will overhang the RAM slots on the left-hand side of the socket, so RAM modules should not exceed 42mm in height.* |
Dual NF-A12 120mm fansThe 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 compoundNoctua’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
* In cases with more than 158mm CPU cooler clearance, the rear fan can be moved upwards to make room for memory modules taller than 42mm.
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.
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| NH-U12S | NH-U12S TR4-SP3 | NH-U12S redux | NH-U12S chromax.black | NH-U12A | NH-U12A chromax.black | |
| LGA2066, LGA2011-0 & LGA2011-3 | ✓ | X | ✓ | ✓ | ✓ | ✓ |
| LGA1700 | ✓ | X | ✓ | ✓ | ✓ | ✓ |
| LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) | ✓ | X | ✓ | ✓ | ✓ | ✓ |
| LGA775 & LGA1366 | with NM-I3 | X | with NM-I3 | with NM-I3 | with NM-I3 | with NM-I3 |
| Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 | X | X | X | X | X | X |
| Xeon LGA3647 | X | X | X | X | X | X |
| Xeon LGA4189 | X | with NM-i4189 | X | X | X | X |
| AM5 | ✓ | X | ✓ | ✓ | ✓ | ✓ |
| AM4 | ✓ | X | ✓ | ✓ | ✓ | ✓ |
| sTRx4, sWRX8, TR4, SP3 | X | ✓ | X | X | X | X |
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