Noctua NH-D9 TR5-SP6 4U, Quiet High-Performance Dual Tower CPU Cooler

SpecPicks Verdict

SpecPicks scored Noctua NH-D9 TR5-SP6 4U using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. Noctua's processors 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 processors 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.

Key Features

• Compact 92mm size (134mm height) for excellent PCIe compatibility and 4U support, high cooling performance thanks to 4 heatpipes, dual tower design and two NF-A9 premium fans, ideal for quiet 4U servers
• Supports AMD SP6 socket for Epyc 8004 line server CPUs as well as sTR5 socket for 7000 series Threadripper (Pro) HEDT and workstations processors (TRX50/WRX90 chipsets, e.g. 7995WX, 7985WX, 7980X, 7970X, 7960X)
• Airflow path parallel to the long axis of the socket, ideal for systems where the exhaust fans of the chassis are in this direction
• Two award-winning NF-A9 fans (push/pull dual fan configuration), supporting PWM for automatic speed control through the motherboard: silent at idle, full CFM performance when necessary
• Pre-applied NT-H2 thermal compound and easy, straightforward installation with included mounting tool

Ready to buy?

Noctua NH-D9 TR5-SP6 4U, Quiet High-Performance Dual Tower CPU Cooler 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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