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The NH-L9a is a premium quality quiet CPU cooler for AMD based HTPCs and Small Form Factor systems. At a super-low profile of only 37mm, the NH-L9a is ideal for extremely slim cases and due to its 92x114mm footprint, it provides excellent compatibility with tall RAM modules and other components on mini-ITX mainboards. The custom designed SecuFirm2™ mounting system for AM3+/FM1/FM2/FM2+ 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-L9a runs remarkably quiet. Topped off with Noctua’s renowned NT-H1 thermal compound, the NH-L9a fuses everything users have come to expect from Noctua’s larger coolers into a super-compact package for slim HTPC systems.

Caution: The NH-L9a 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 only recommended for CPUs with up to 65W TDP (Thermal Design Power). Please consult our TDP guidelines to find out whether the NH-L9a is recommended for your CPU.



Socket compatibilityAM2(+), AM3(+), FM1, FM2, FM2+
Height (without fan)23 mm
Width (without fan)114 mm
Depth (without fan)92 mm
Height (with fan)37 mm
Width (with fan)114 mm
Depth (with fan)92 mm
Weight (without fan)390 g
Weight (with fan)465 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Max. TDPsee TDP guide
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
    19.12.2014 - ElektronikTest.dk NH-U9S
    Test verdict: "Køleevne Vi ligger jo ikke på samme niveau som de store modeller, men stadig godt klaret i forhold til størrelsen af køleren. Og med en ekstra blæser på, er der ingen tvivl om at de slår mange, hvis ikke alle andre kølere i denne klasse." (John Thorn, ElektronikTest.dk)
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    18.12.2014 - Tom's Hardware NH-L12
    Test verdict: "For a Mini-ITX CPU cooler, the Noctua NH-L12 is somewhat of a luxury product. But like any luxury item, this heat sink comes with all the bells and whistles. While the price might be high compared to competing coolers, the NH-L12’s quality, configurability and extras make this cooler a value nonetheless." (Thomas Soderstrom, Tom's Hardware)
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    18.12.2014 - hardwarepoint.net NH-U14S
    Test verdict: "Der NH-U14S ist noch leistungsfähiger als der ohnehin schon gut abschneidende Dark Rock 3 und hält somit die CPU noch kühler. Hinzu kommt das bessere Montagesystem, was am Ende auch einen teureren Einkaufspreis nach sich zieht." (Dennis Heinze, hardwarepoint.net)
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    18.12.2014 - Donanimhaber Forum NH-U9S
    Test verdict: "Uzun lafın kısası ufak form faktörde bir bilgisayar topluyorsanız ve size ram,ekran kartı, kasa uyumuyla sıkıntı yaşatmayacak bir hava soğutma çözümü arıyorsanız NH-U9S ye bakmanızı mutlaka tavsiye ederim. Zira şu an piyasada pek alternatifi ortada gözükmüyor. Altı sene garantide cabası." (Ali Emre Alıcı, Donanimhaber Forum)
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