Noctua L9x65_23

Noctua NH-L9x65 CPU Air Cooler

SKU: NH-L9x65

The NH-L9x65 is a taller, performance-enhanced version of Noctua’s award-winning NH-L9 low-profile coolers. With 65 instead of 37mm height and four instead of two heatpipes, the NH-L9x65 is more powerful than its smaller siblings yet retains their 95x95mm footprint, which guarantees 100% RAM and PCIe compatibility on Intel-based ITX mainboards and makes the cooler more convenient to work with as it doesn’t overhang near-socket connectors.


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Socket compatibilityIntel LGA2011-0 & LGA2011-3(Square ILM), LGA1156, LGA1155, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required)
Height (without fan)51 mm
Width (without fan)95 mm
Depth (without fan)95 mm
Height (with fan)65 mm
Width (with fan)95 mm
Depth (with fan)95 mm
Weight (without fan)340 g
Weight (with fan)413 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Max. TDPsee TDP guide
Fan compatibility92x92x14, 92x92x25
Scope of Delivery
  • NF-A9 PWM premium fan
  • Low-Noise Adaptor (L.N.A.)
  • NT-H1 high-grade thermal compound
  • SecuFirm2™ Mounting Kit
  • Fan-clips for second NF-A9
  • Noctua Metal Case-Badge
Warranty6 Years
Fan specifications
ModelNoctua NF-A9x14 PWM
Max. Rotational Speed (+/- 10%)2500 RPM
Max. Rotational Speed with L.N.A. (+/- 10%)1800 RPM
Min. Rotational Speed (PWM, +/-20%)600 RPM
Max. Airflow57.5 m³/h
Max. Airflow with L.N.A.40.8 m³/h
Max. Acoustical Noise23.6 dB(A)
Max. Acoustical Noise with L.N.A.14,8 dB(A)
Input Power2.52 W
Voltage Range12 V
MTBF> 150.000 h
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From Hardware BBQ:

 If you have a low-height/ less clearance type mini ITX case design, like the Coolermaster Elite 130, these are pretty good. But otherwise, you can take a look at CM D92, NH-U9S, the slim profile NH-U12S, NH-U14S and the monstrous NH-D15. Unlike Intel specific L9i and AMD specific L9a cooler, this one uses Securfirm2 that is bundled with socket kits for both AMD and Intel platform.

From Modders Inc.:

There was zero clearance issues encountered and the 95×95 layout is exactly within the LGA1150 Intel “keep-out zone”. There is even allowance and mounting support for 25mm thick fan such as a Noctua NF-A9 for better performance. Build quality and fully furnished accessories are the standard Noctua, which means no half-measures or cost-cutting was taken. The same level of care and extras provided for the flagship NH-D15 is not spared on the “lowly” NH-L9x65. This is one low-profile cooler that has touch-the-sky performance and not just reaches for the bar, but sets a new one entirely.

From Benchmark Reviews:

The performance of the Noctua NH-L9x65 is what is expected from such a small cooler. It managed to make some gains when compared to the Intel stock cooler and it’s predecessor the NH-L9i, but there is a lack of major improvements that would make the NH-L9x65 comparable to any adequate tower heatsink. Overall, the NH-L9x65 managed to keep our i5 4670k under sustainable temperatures.

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