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Based on Noctua's signature NH-U12 series and fitted with the award-winning NF-P12 fan and NT-H1 thermal compound, the NH-U12DX forms a complete premium quality package that provides outstanding quiet cooling performance for Intel Xeon workstations and servers. The new SecuFirm2™ mounting system for socket 771 is highly convenient and makes the NH-U12DX a tailor-made drop-in replacement for standard Intel coolers. To make your Xeon systems quieter has never been so easy!

If you're interested in using our coolers on Intel Xeon platforms, please don't hesitate to contact us at sales@noctua.at! Bundles can be customized for system integrators.


Socket compatibilityIntel LGA 771 & mPGA 604 (10mm mounting-holes only)
Height (without fan)155 mm
Width (without fan)126 mm
Depth (without fan)65 mm
Height (with fan)155 mm
Width (with fan)126 mm
Depth (with fan)90 mm
Weight (without fan)600 g
Weight (with fan)770 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
ApplicationIntel Xeon 5xxx & Xeon 7xxx
Fan compatibility120x120x25mm / 120x120x38mm (2 fans can be installed)
Scope of Delivery
  • 1x NH-U12DX Heatsink
  • 1x NF-P12 fan
  • Mounting-clips for 2 fans
  • Ultra-Low-Noise-Adaptor (U.L.N.A.)
  • NT-H1 thermal compound
  • SecuFirm2™ mounting kits for 771/604
  • Warranty6 Years


    Fan specifications
     
    ModelNoctua NF-P12
    BearingSSO-Bearing
    Blade geometryNine Blade Design
    Rotational Speed (+/- 10%)1300 RPM
    Rotational Speed with L.N.A. (+/- 10%)1100 RPM
    Rotational Speed with U.L.N.A. (+/- 10%)900 RPM
    Airflow92,3 m³/h
    Airflow with L.N.A.78,5 m³/h
    Airflow with U.L.N.A.63,4 m³/h
    Acoustical Noise19,8 dB(A)
    Acoustical Noise with L.N.A.16,9 dB(A)
    Acoustical Noise with U.L.N.A.12,6 dB(A)
    Input Power1,08 W
    Voltage Range12 V
    MTBF> 150.000 h



    Noctua
    29.07.2010 - Freeocen.de NF-P14 FLX
    Test verdict: "Rundum ein wirklich sehr gelungener CPU Kühler, der sowohl leise ist und auch gut kühlt." (Alexander Fuessl, Freeocen.de)
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    28.07.2010 - DreamwareComputers.com NH-U12P SE2
    Test verdict: "After testing the NH-U12P SE2, this cooler has now found a permanent home in my system. I'm a silent PC component fanatic and this is simply the quietest CPU cooler I have laid hands on to date. Not only is it the quietest, but it's the highest performing cooler I've ever tested in the way of silent CPU cooler products." (Steve Blackwell, DreamwareComputers.com)
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    28.07.2010 - Comptoir-Hardware.com NH-D14
    Test verdict: "Au final c'est bien sûr un CDH d'Or que nous attribuons au NH-D14 de Noctua, qui cumule une conception soignée et des performances de haut vol, sans pour autant négliger le silence grâce à des modules ULNA fournis permettant d'obtenir un rapport refroidissement / bruit." (David Sergent, Comptoir-Hardware.com)
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