The NH-L9a-AM4 chromax.black is an all-black version ofNoctua’s award-winning NH-L9a-AM4 low-profile quiet CPU cooler for AMD Ryzenbased HTPCs and Small Form Factor (SFF) builds. Thanks to the same provenheatsink design and NF-A9x14 PWM fan, it stays true to the NH-L9a-AM4’ssuccessful formula of fusing a height of only 37mm with strong performance andexcellent quietness of operation, as well as 100% RAM and PCIe compatibility.At the same time, the chromax.black version with its black fan and black coatedheatsink combines these assets with a sleek stealth look. Topped off with therenowned SecuFirm2™ low-profile mounting system for AMD AM4, Noctua’s enthusiast-gradeNT-H1 thermal compound and a full 6-year manufacturer’s warranty, theNH-L9a-AM4 chromax.black is a premium choice for customers who seek anultra-compact heatsink that looks just as great as it cools.
General
Notes and warnings The NH-L9a-AM4 is a highly compact, quietlow-profile cooler designed for use in small form factor cases and HTPCenvironments. While it provides first-rate performance in its class, it is notsuitable for overclocking and or CPUs that create high heat loads. Please consultour CPU compatibility list to find out whether the NH-L9a-AM4 is recommendedfor your CPU/APU.
Cooler Specification
Socket compatibility AMD AM4
Height (without fan) 23 mm
Width (without fan) 114 mm
Depth (without fan) 92 mm
Weight (without fan) 390 g
Height (with fan) 37 mm
Width (with fan) 114 mm
Depth (with fan) 92 mm
Weight (with fan) 465 g
Material Copper (base and heat-pipes), aluminium (coolingfins), soldered joints & nickel plating
Max. TDP see CPU compatibility list
Fan compatibility 92x92x14mm, 92x92x25mm
Scope of delivery
Black NH-L9a-AM4 heatsink
NF-A9x14 HS-PWM chromax.black premium fan
NA-RC7 Low-Noise Adaptor (L.N.A.)
NT-H1 high-grade thermal compound
Black SecuFirm2™ AM4 mounting kit
Black Screws for 92x92x25mm fans
Noctua Metal Case-Badge
FAN Specification
Model Noctua NF-A9x14 HS-PWM chromax.black
Bearing SSO2
Max. rotational speed (+/- 10%) 2500 RPM
Max. rotational speed with L.N.A. (+/- 10%) 1800 RPM
Min. rotational speed (PWM, +/-20%) 600 RPM
Max. airflow 57,5 m³/h
Max. airflow with L.N.A. 40,8 m³/h
Max. acoustical noise 23,6 dB(A)
Max. acoustical noise with L.N.A. 14,8 dB(A)
Input power 2,52 W
Voltage range 12 V
MTTF > 150.000 h
