Noctua NH‑L9a‑AM5 chromax.black – 37mm Low Profile AM5 CPU Cooler, 92mm PWM Fan

Noctua NH‑L9a‑AM5 chromax.black

The Noctua NH‑L9a‑AM5 chromax.black is an ultra‑compact, premium low‑profile CPU cooler designed specifically for AMD AM5 systems. Standing only 37mm tall, it is ideal for SFF builds, HTPCs, mini‑ITX systems, and cases with extremely limited CPU clearance.

Featuring Noctua’s award‑winning NF‑A9x14 PWM fan, a black‑coated heatsink, and full RAM + PCIe compatibility, it delivers excellent cooling performance while maintaining whisper‑quiet acoustics. With Noctua’s trusted SecuFirm2™ AM5 mounting, NT‑H1 thermal compound, and a 6‑year warranty, this cooler is built for long‑term reliability.

Specifications

Brand: Noctua
Model: NH‑L9a‑AM5 chromax.black
Socket Support: AMD AM5
Cooler Type: Low‑profile air cooler
Height: 37mm
Fan: 1 × NF‑A9x14 PWM (92mm)
Fan Speed: Up to 2500 RPM
Airflow: 33.8 CFM
Noise Level: 23.6 dB
Connector: 4‑pin PWM
RAM Compatibility: 100%
PCIe Compatibility: 100%
Thermal Compound: NT‑H1 included
Mounting System: SecuFirm2™ for AM5
Warranty: 6 Years

Features
Ultra‑low 37mm height for SFF builds
Black chromax.stealth design
Award‑winning NF‑A9x14 PWM fan
100% RAM clearance
100% PCIe slot clearance on mini‑ITX
Easy access to near‑socket connectors
Optional NA‑FD1 fan duct support
Low‑Noise Adapter included (reduces max RPM to 1800)
Soldered heatpipe‑to‑fin interface for long‑term durability
Premium NT‑H1 thermal paste included

Most Suitable For
Small Form Factor (SFF) PCs
HTPC builds
Mini‑ITX AM5 systems
Low‑clearance cases
Quiet, compact workstation