Noctua
Noctua NH-U12A chromax.Black
Bottom line: The Noctua NH-U12A chromax.Black: Dual NF-A12x25 fans with PWM plus Low-Noise Adaptors for near-silent idle; main trade-off: black chromax version costs more than the identical brown-and-tan NH-U12A.
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Pros & Cons
Pros
- ✓ Dual NF-A12x25 fans with PWM plus Low-Noise Adaptors for near-silent idle
- ✓ 158mm height clears most mid-tower cases without a side-panel gamble
- ✓ 120mm footprint means 100% RAM clearance, no low-profile kit required
- ✓ 6-year Noctua warranty, roughly double the cooling-market norm
- ✓ SecuFirm2 kit covers LGA1851/1700/1200/115x and AM5/AM4 with offset mount
Cons
- ✗ Black chromax version costs more than the identical brown-and-tan NH-U12A
- ✗ Dual-fan sandwich adds depth; check clearance against tall VRM heatsinks
- ✗ No RGB lighting, so it will not match an addressable-lighting build
- ✗ 158mm is still too tall for most small-form-factor and slim cases
Manufacturer description
The Noctua NH-U12A chromax.Black brings the company's most decorated 120mm tower cooler into an all-black finish that disappears into dark builds instead of clashing with them. At 158mm tall it clears most mid-tower cases, and because Noctua kept the heatsink inside the 120mm footprint, it does not overhang your RAM slots or block the top PCIe slot on most ATX and Micro-ATX boards. That is the real argument for this cooler over a 140mm tower: you get flagship-class cooling without redesigning your build around it. Two NF-A12x25 fans handle airflow, with PWM speed control and bundled…
SpecPicks Verdict
SpecPicks scored Noctua NH-U12A chromax.Black using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Will the NH-U12A fit in my case?
It stands 158mm tall, so check your case's listed CPU cooler clearance. Most standard mid-tower ATX cases accept 160mm or more; small-form-factor and slim cases usually will not.
Does it block RAM slots or tall memory?
No. Noctua rates it for 100% RAM compatibility because the heatsink stays within the 120mm footprint and does not overhang the DIMM slots. It also clears the top PCIe slot on most ATX and Micro-ATX boards.
Which CPU sockets does it support?
The included SecuFirm2 mounting hardware covers Intel LGA1851, LGA1700, LGA1200 and LGA115x, plus AMD AM5 and AM4. An offset mounting option is included for better efficiency on AMD chips.
Can it handle a Ryzen 9 9950X or Core Ultra 9 285K?
Noctua positions it as a deluxe choice for exactly those chips, listing Core Ultra 285K, 265K and 245K and Ryzen 9950X, 9900X, 9700X and 9600X as target CPUs.
Is it actually quiet, and what's the warranty?
The dual NF-A12x25 fans use PWM control and ship with Low-Noise Adaptors for whisper-quiet idle operation. Noctua covers it with a 6-year manufacturer's warranty.
Key Features
- Proven premium heatsink (more than 100 awards and recommendations from international hardware websites), now available in an all-black design that goes great with many colour schemes
- Top-tier performance in 120mm size for excellent compatibility: fits most tower cases (158mm height), doesn’t overhang the RAM slots, doesn’t block the PCIe on most ATX & Micro-ATX motherboards
- Dual state-of-the-art NF-A12x25 120mm fans with Low-Noise Adaptors and PWM for automatic speed control: full cooling performance under load, whisper quiet at idle!
- Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency)
- Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core & Core Ultra (e.g. 285K, 265K, 245K) and AMD Ryzen (e.g. 9950X, 9900X, 9700X, 9600X)
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NH-U12Achromaxblac |
| Voltage | 12 volts |
| Material | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating |
| Unit Count | 1 Count |
| Noise Level | 22.6 db |
| Part Number | NH-U12A chromax.black |
| Material Type | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Air Flow Capacity | 102.1 cfm |
| Compatible Devices | Desktop |
| Included Components | Mounting kit & Thermal Paste |
| Power Connector Type | 4-Pin |
| Warranty Description | 6 year manufacturer’s warranty |
| Maximum Rotational Speed | 2000 rpm |
| Item Dimensions L x W x H | 4.92"L x 4.41"W x 6.22"H |
| Global Trade Identification Number | 09010018000245 |
| Full listing title | Noctua NH-U12A chromax.Black, Quiet High-Performance Tower CPU Cooler | 158mm Height, High-End Low-Noise Cooling, For Intel & AMD, Dual 120mm Fans, 100% RAM Compatibility, Rich Accessory Kit |
Ready to buy?
Noctua NH-U12A chromax.Black, Quiet High-Performance Tower CPU Cooler | 158mm Height, High-End Low-Noise Cooling, For Intel & AMD, Dual 120mm Fans, 100% RAM Compatibility, Rich Accessory Kit is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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