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Noctua NH-L9i, Premium Low-Profile CPU Cooler for Intel LGA115x (Brown)

In stock.
Ships from United States.
Most customers receive within 3-31 days.
  • Black
  • Brown
  • NH-L9a AM4
  • NH-L9i
  • NH-L9i chromax
  • Ultra-compact low-profile cooler with only 37mm total height – ideal for HTPCs, ITX and Small Form Factor builds
  • 100% compatibility RAM- and PCIe-compatibility due to 95x95mm footprint, does not overhang the RAM or PCIe slots
  • Highly optimised NF-A9x14 slim 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation
  • Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1150, LGA1151, LGA1155, LGA1156, LGA1200
  • Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core i7, i5 or i3 with moderate heat load (e.g. 11900, 11700, 11600, 10700, see compatibility list)

Having received more than 100 awards and recommendations from international hardware websites and magazines, Noctua's compact NH-L9x65 has become a standard choice among 65mm tall low-profile coolers. The SE-AM4 version is a dedicated special edition for AMD's AM4/AM5 (Ryzen) platform featuring the latest SecuFirm2 mounting system for AM4/AM5. Topped off with the renowned quiet NF-A9x14 PWM 92mm fan and Noctua's proven NT-H1 thermal compound, the NH-L9x65 SE-AM4 forms a complete premium-quality solution for AM4/AM5-based ITX builds and HTPC systems.


37mm low profile
37mm low profile
Due to the slim 23mm heatsink and the NF-A9x14 low profile fan that measures only 14mm in thickness, the NH-L9 stands a mere 37mm tall, which makes it ideal for use in compact HTPCs or Small Form Factor cases that offer minimum clearance for CPU coolers.  
100% RAM compatibility
The NH-L9i has a 95x95mm footprint that complies exactly with the Intel LGA115x/1200 socket keep-out zone. This means that it won't cause issues with chipset coolers and doesn't overhang the RAM slots, so it's fully compatible with tall memory modules.  
100% compatibility with PCIe cards on mini-ITX
Most Intel LGA115x/1200 based mini-ITX motherboards have the PCIe slot sitting right next to the 95x95mm socket zone. While larger coolers that exceed this zone are likely to block the PCIe slot, the 95x95xmm sized NH-L9i provides full compatibility with PCIe cards.  
NF-A9x14 PWM premium fan
The highly optimised NF-A9x14 premium fan features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures. Supporting PWM for fully automatic speed control, the NF-A9x14 allows the NH-L9i to stay remarkably quiet.


Cooler Specifications
Scope of delivery
  • NF-A9x14 HS-PWM premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • SecuFirm2 mounting kit
  • Screws for 92x92x25mm fans
  • Noctua Metal Case-Badge
Fan compatibility

92x92x14mm, 92x92x25mm


  • Height (without fan) 23 mm

  • Width (without fan) 95 mm

  • Depth (without fan) 95 mm

  • Height (with fan) 37 mm

  • Width (with fan) 95 mm

  • Depth (with fan) 95 mm

  • Weight (without fan) 320 g

  • Weight (with fan) 380 g


Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Please Note:

The NH-L9i is a highly compact, quiet low-profile cooler designed for use in small form factor cases and HTPC environments. While it provides first-rate performance in its class, it is not suitable for overclocking and or CPUs that create high heat loads.


LGA2066, LGA2011-0 & LGA2011-3 No No No No No No
LGA1700 No Yes No No Yes No
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) Yes No No Yes No No
LGA775 & LGA1366 No No No No No No
Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 No No No No No No
Xeon LGA3647 No No No No No No
Xeon LGA4189 No No No No No No
AM2(+), AM3(+), FM1, FM2 (+) No No No No No No
AM4 with NM-AM4-L9aL9i No Yes with NM-AM4-L9aL9i No Yes
sTRx4, sWRX8, TR4, SP3 No No No No No No

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