The Noctua NH-D15 is a large dual-tower air cooler with two 140mm fans, first released in 2014. More than a decade later it is still used as a benchmark, and Noctua's free mounting kits for new sockets keep old units in service, so long-term regret is rare beyond its size and RAM clearance.
This entry is written from the 4 sources listed at the bottom of the page. The numbers are our editorial estimates drawn from that material, not measurements, and no statistical sample sits behind them.
On the evidence gathered here, yes. 92% of owners say they would buy it again, and satisfaction is still 9.0 out of 10 two years in. free mounting kits keep years-old units compatible with new sockets.
Owners generally forget it is there: it runs quietly and needs no maintenance, and Noctua's socket kits mean it often moves into the next build.
its bulk can block future case or memory upgrades. weighs about 1.3kg on the motherboard. no rgb lighting for those who want it.
free mounting kits keep years-old units compatible with new sockets. Sentiment across the ownership period stays close to flat, which is rare: it reads 9.0 out of 10 in the first week and 9.0 two years later.
Worth it for: Quiet high-end builds; People avoiding liquid cooling; Long-lived pcs upgraded over years. Think twice if: Small form factor cases; Tall-heatsink ram; Rgb-focused builds.
Our reading of how sentiment moves across an ownership period, drawn from the sources below. It is an editorial estimate, not tracked longitudinal data.
| At purchase | 8.5 / 10 |
|---|---|
| First week | 9.0 / 10 |
| One month | 9.0 / 10 |
| Six months | 9.0 / 10 |
| One year | 9.0 / 10 |
| Two years or more | 9.0 / 10 |
Owner reviews move this score. The researched figure stays visible next to it, so you can always see what the sources said before anyone voted.
Leave a review on the live pageEvery complaint and every piece of praise above traces back to these. The summaries are ours; nothing is quoted, and no link, quote or username anywhere on this site is invented.
A 2026 report on Noctua sending free mounting hardware for new sockets to owners of an eight-year-old NH-D15, with no proof of purchase required.
Summarises testing that found it quiet with broad socket support and a six-year warranty, while noting its size and weight, with commenters remarking on its colour.
Gives it 9/10 for AIO-class cooling and very low noise, but warns about its height, 32mm RAM clearance and high price for an air cooler.
A 2024 retest framing the decade-old cooler as a reference point that many still choose for high-end CPUs, launched at about $100.