Noctua NH-L9i low-profile CPU cooler for Intel LGA115x/1200 – only 37 mm tall, ideal for HTPC and SFF systems, includes PWM fan and SecuFirm2 mounting.
Noctua NH-L9i – ultra-low-profile CPU cooler for Intel sockets
The Noctua NH-L9i is a quiet low-profile CPU cooler designed for Intel motherboards with sockets LGA1150, LGA1151, LGA1155, LGA1156 and LGA1200. With a height of only 37 mm, it is ideal for compact cases such as Mini-ITX or HTPC systems.
Extremely low profile (37 mm) – fits into the tightest SFF and HTPC cases where standard coolers are too tall.
The included NF-A9x14 PWM fan runs quietly while providing efficient cooling, perfect for silent work and media PCs.
Broad compatibility with Intel sockets: LGA1150, 1151, 1155, 1156 and LGA1200 – you can use the cooler across multiple CPU generations.
SecuFirm2 mounting system – tool-free and secure installation without screws on the back of the motherboard, even in cramped enclosures.
60 months manufacturer's warranty provide long-term investment security for your system.
What sets the NH-L9i apart
The combination of extremely low height and quiet operation makes the NH-L9i the first choice for compact PC systems. The SecuFirm2 system enables quick installation, even in cases with minimal space. Thanks to backward compatibility with almost all LGA115x sockets and LGA1200, the cooler remains usable even after a future platform upgrade.
Ideal for...
Enthusiasts of Mini-ITX and HTPC systems who need quiet and reliable CPU cooling in a very limited space. Also an excellent choice as a replacement for noisy stock coolers in office PCs or media servers, always focusing on low noise emission.
How to use the NH-L9i
Mount the cooler using the SecuFirm2 system directly onto the CPU socket. The thermal paste is pre-applied at the factory, so no additional application is needed. Connect the fan to the CPU fan header on the motherboard and configure the fan curve in the BIOS for an optimal balance between cooling performance and noise.
Noctua is an Austrian brand known for high-quality, exceptionally quiet PC fans and CPU coolers. Founded in 2005, it has earned an excellent reputation through innovations such as the NF-A series and the SecuFirm2 mounting system. Noctua coolers are valued by enthusiasts worldwide.
The Noctua NH-L9i is an ultra-low-profile CPU cooler for Intel sockets (LGA1150/1151/1155/1156/1200). It enables quiet cooling in compact PC cases, especially Mini-ITX and HTPC systems.
The cooler is compatible with Intel sockets LGA1150, LGA1151, LGA1155, LGA1156 and LGA1200, covering all major Intel platforms of recent years.
The NH-L9i is only 37 mm tall (including the fan). It uses the NA-A9x14 PWM fan, optimized for low noise levels and controlled via PWM.
Yes, thermal paste is pre-applied at the factory on the cooler base. The package also includes the SecuFirm2 mounting system, fan, manual, and mounting hardware.
Noctua provides a manufacturer's warranty of 60 months (5 years) on the NH-L9i.
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