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Noctua

NH-D9L Spec and Price in Italy

Air

A dual-tower cooler shrunk onto a 92 mm fan: 110 mm tall and 95 mm square, which is what makes it fit 3U and 4U rack chassis as well as ITX cases. Four heatpipes and one NF-A9 PWM fan to 2000 rpm at 22.8 dB(A). Noctua rates it NSPR 88, the same figure as the much wider NH-L12S, and ships clips for a second NF-A9 in the box.

Current best price

No tracked price — this page compares specifications alone.

Specifications

Cooler type
Air
Noise
22.8 dBA
Fans
1
Fan size
92 mm
Warranty
6 years
Height
110 mm
Socket support
AM5, AM4, LGA1700, LGA1851, LGA1954, LGA1156, LGA1155, LGA1150, LGA1151, LGA1200
NSPR
88
Max fan speed
2000 RPM
Min fan speed
0 RPM
Heatpipes
4
PWM
Yes

Guides for this category

How to choose a CPU coolerHow to match a cooler to the heat your CPU makes, what air and liquid each trade away, and the fit checks that decide whether it goes in at all.

What owners and reviewers say

Summarised from 2 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices

Commonly praised

  • Delivers good thermal performance for a cooler of this size, with a low height suited to compact builds.
  • Provides clearance around memory and near-socket components, with excellent build quality and a six-year warranty.
  • Owners value its compact size, noting it suits small form-factor and Mini-ITX builds without blocking the memory slots.
  • It is repeatedly called quiet, including in small cases.
  • Owners report it cools mid-range AMD and Intel chips comfortably, including with mild overclocks.
  • Installation is described as easy, with mounting hardware for modern sockets, thermal paste and clear instructions included.

Commonly criticised

  • Its fan is a little loud.
  • Owners note its cooling is modest and suited to light overclocks, with one saying a higher-core chip had to be downclocked to stay cool.
  • Several owners note it costs more than comparable coolers.

Sources behind this summary

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.