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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.

Caution: 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). Please consult our TDP guidelines to find out whether the NH-L9i is recommended for your CPU.



Socket compatibilityLGA1150, LGA1155, LGA1156
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)345 g
Weight (with fan)420 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Fan compatibility92x92x14mm, 92x92x25mm
Scope of Delivery
  • NF-A9x14 PWM premium fan
  • Low-Noise Adaptor (L.N.A.)
  • NT-H1 high-grade thermal compound
  • SecuFirm2™ Mounting Kit
  • Screws for 92x92x25mm fans
  • Noctua Metal Case-Badge
  • Warranty6 Years


    Fan specifications
     
    ModelNoctua NF-A9x14 PWM
    BearingSSO2
    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



    Noctua
    16.04.2014 - hardCOREware.net NH-D15
    Test verdict: "So there you have it – the NH-D15 is tied for the highest performing air cooler we have ever tested, as it comes out of the box. It is even more impressive when you consider the noise level – other coolers may match it, but you pay for that with added noise." (Carl Nelson, hardCOREware.net)
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    16.04.2014 - LanOC.org NH-U12S
    Test verdict: "All in all the NH-U12S is a quality product with that trademark Noctua premium feel. The larger amount of space is a pleasant thing to see and even in double fan mode the NH-U12S will provide clearance for the newer quad-channel RAM motherboards. With all this performance in a smaller, easy to install package it is nice to see that the age of the air cooler has not yet passed." (William Deborde, LanOC.org)
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    15.04.2014 - Modders-Inc.com NH-D15
    Test verdict: "Out of all the top three tested however, the Noctua NH-D15 has an advantage in terms of having a lower sound profile and a far simpler yet effective installation procedure. The NH-D15 also has the advantage of a 6-year warranty, the longest offered by any CPU cooler manufacturer. For this, the Noctua NH-D15 earns the Modders-Inc Must Have Award." (Ron Perillo, Modders-Inc.com)
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    15.04.2014 - bit-tech.net NH-U12S
    Test verdict: "Where the NH-U12S excels is actually being inaudible outside a case - you literally can't make it out amongst other case fans or a graphics card. This is where the extra cash is going - not in cooling but in offering similar performance to other, cheaper air coolers but with a significantly lower noise level." (Antony Leather, bit-tech.net)
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