The NH-L9i is a premium quality quiet CPU cooler for Intel LGA115x based HTPCs and Small Form Factor systems. At a super-low profile of only 37mm, the NH-L9i is ideal for extremely slim cases and due to its 95x95mm footprint, it provides full compatibility with tall RAM modules and VGA cards on mini-ITX mainboards. The custom designed SecuFirm2 mounting system for LGA115x makes installation a child’s play and thanks to the highly optimised NF-A9x14 premium fan that supports fully automatic speed control via PWM, the NH-L9i runs remarkably quiet. Topped off with Noctua’s renowned NT-H1 thermal compound, the NH-L9i fuses everything users have come to expect from Noctua’s larger coolers into a super-compact package for slim HTPC systems.
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37mm low profileDue 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 compatibilityThe NH-L9i has a 95x95mm footprint that complies exactly with the Intel LGA115x 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-ITXMost Intel LGA115x 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 fanThe 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. |
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
92x92x14mm, 92x92x25mm
The NH-L9i is a highly-compact low-profile quiet 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 should be used with care on CPUs with more than 65W TDP (Thermal Design Power).
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| NH-L9i | NH-L9a-AM4 | NH-L9i chromax.black | NH-L9a-AM4 chromax.black | |
| LGA2066 | X | X | X | X |
| LGA2011-0 & LGA2011-3 | X | X | X | X |
| LGA1200 | ✓ | X | ✓ | X |
| LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) | ✓ | X | ✓ | X |
| LGA775 & LGA1366 | X | X | X | X |
| Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 | X | X | X | X |
| Xeon LGA3647 | X | X | X | X |
| AM2(+), AM3(+), FM1, FM2 (+) | X | X | X | X |
| AM4 | with NM-AM4-L9aL9i | ✓ | with NM-AM4-L9aL9i | ✓ |
| sTRX4, TR4 & SP3 | X | X | X | X |
