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Noctua NH-D12L, Low-Height Dual-Tower CPU Cooler (120mm, Brown)
- Low-height (145mm) dual-tower heatsink combines outstanding quiet cooling performance with excellent case compatibility, fits most 4U rackmount server cases
- Single-fan configuration and asymmetrical layout guarantee 100% RAM compatibility on AMD AM4/AM5 and Intel LGA1700/1200/115x sockets
- State-of-the-art NF-A12x25r 120mm fan 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)
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Overview
Specs
Reviews (16)
The NH-D12L is a low-height 120mm class CPU cooler that has been conceived to combine outstanding quiet cooling performance with superior case compatibility. At a height of only 145mm (13mm lower than Noctuas regular 120mm models), it fits many 4U enclosures as well as narrower tower cases that have been previously limited to solutions with 92mm fans. At the same time, its five heatpipe dual-tower design and state-of-the-art NF-A12x25r 120mm fan allow it to achieve a level of efficiency that surpasses many full-height 120mm models. Thanks to its single-fan configuration and asymmetrical fin stacks, the NH-D12L provides 100% RAM compatibility on AMD AM4/AM5 and Intel LGA1200/LGA1700 by staying clear of the memory slots.
Topped off with the renowned SecuFirm2 mounting system, Noctuas award-winning NT-H1 thermal compound and a 6-year manufacturers warranty, the NH-D12L is the perfect choice for applications that require serious cooling performance but cannot fit the larger NH-U12A.
Topped off with the renowned SecuFirm2 mounting system, Noctuas award-winning NT-H1 thermal compound and a 6-year manufacturers warranty, the NH-D12L is the perfect choice for applications that require serious cooling performance but cannot fit the larger NH-U12A.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Noctua Cooling Solutions Return Policy
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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The Noctua NH-D12L is a 145 mm-tall, brown dual-tower CPU air cooler with a 120 mm PWM fan, suited to builders who want quiet cooling in cases with limited cooler clearance, including many 4U rackmount cases.
Recommended For
- Builders using a 4U rackmount server or a tower case with a 145 mm cooler limit who want more cooling capacity than a typical 92 mm cooler can provide. Check the case’s actual clearance before installation.
- Mini-ITX and small-form-factor builders whose case fits a 145 mm tower cooler and who want a dual-tower air cooler without moving to a larger 158 mm model.
- Builders using tall or RGB memory on AM4, AM5, LGA1851, LGA1700, LGA1200, or LGA115x who want the cooler’s standard single-fan layout to leave the memory slots accessible.
- Gaming and everyday productivity PC builders who want quiet air cooling in a compact tower and do not need the lowest temperatures during extreme all-core loads. A review found the NH-D12L performed close to larger coolers in its overall testing, while noting higher temperatures in an extreme Prime95 run.
Real-World Use Scenarios
- In a 4U rackmount workstation or server with limited cooler height, the NH-D12L can provide 120mm-class air cooling where many shorter-clearance options use smaller fans; confirm the chassis supports a 145mm cooler.
- When a tower case is too narrow for a taller 120mm-class cooler, the NH-D12L’s shorter profile may make a dual-tower air cooler an option; check the case’s actual CPU-cooler clearance before buying.
- For a compatible AM4/AM5 or supported Intel build using tall or RGB memory, the asymmetric layout leaves the DIMM slots unobstructed, making RAM installation and access easier.
- In a larger SFF or Mini-ITX case that allows 145mm of cooler height, the NH-D12L can offer more cooling capacity than many 92mm-class options without requiring a liquid-cooling setup.
- For a desktop used for everyday productivity, gaming, or occasional CPU-heavy work, PWM fan control adjusts cooling to the workload; reviewers found strong performance in testing, while fan noise can rise as cooling demand increases.