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The Noctua NH-D15 is a dual-tower air CPU cooler with two 140mm fans, rated at 25 dB and up to 1500 rpm with 82.7 CFM of airflow. It is the benchmark for quiet, high-end air cooling: it trades blows with 240mm and 280mm liquid coolers on noise-normalized performance while avoiding pump noise and leak risk. Its 165mm height and 150mm width make it a tight fit in many cases and it can block the first PCIe slot and tall RAM. Reviewers and owners consistently praise its cooling, near-silent operation and long-term reliability, while criticizing its size, RAM clearance and mounting effort.
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Lowest price we've seen: $109.95 on Nov 13 at Newegg. Tracked across 1 store since Nov 13.
Owners and reviewers rate the NH-D15 very highly, calling it one of the best air coolers for quiet, high-load systems. Complaints center on its physical size, RAM clearance and installation effort rather than performance.
The Noctua NH-D15 is an active CPU cooler with two 140 mm fans. It has no LED lighting.
The fans support PWM control. They run at up to 1500 rpm and move up to 82.7 CFM of air at a noise level of 25 dB.
