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Based on Noctua's compact NH-U9 series and fitted with the award-winning NF-B9 fan and NT-H1 thermal compound, the NH-U9DX forms a complete premium quality package that provides excellent quiet cooling performance for 4U Xeon workstations and servers. The new SecuFirm2™ mounting system for socket 771 is highly convenient and makes the NH-U9DX 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)122 mm
Width (without fan)96 mm
Depth (without fan)65 mm
Height (with fan)122 mm
Width (with fan)96 mm
Depth (with fan)90 mm
Weight (without fan)500 g
Weight (with fan)590 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
ApplicationIntel Xeon 5xxx & Xeon 7xxx
Fan compatibility92x92x25 (2 fans can be installed)
Scope of Delivery
  • 1x NH-U9DX Heatsink
  • 1x NF-B9 fan
  • Mounting-clips for 2 fans
  • Ultra-Low-Noise-Adaptor (U.L.N.A.)
  • Low-Noise-Adaptor (L.N.A.)
  • NT-H1 thermal compound
  • SecuFirm2™ mounting kits for 771/604
  • Warranty6 Years


    Fan specifications
     
    ModelNoctua NF-B9
    BearingSSO-Bearing
    Rotational Speed (+/- 10%)1600 RPM
    Rotational Speed with L.N.A. (+/- 10%)1300 RPM
    Rotational Speed with U.L.N.A. (+/- 10%)1000 RPM
    Airflow64,3 m³/h
    Airflow with L.N.A.52,6 m³/h
    Airflow with U.L.N.A.41,1 m³/h
    Acoustical Noise17,6 dB(A)
    Acoustical Noise with L.N.A.13,1 dB(A)
    Acoustical Noise with U.L.N.A.7,9* dB(A)
    Input Power1,32 W
    Voltage Range12 V
    MTBF> 150.000 h



    Noctua
    08.02.2010 - VerdisReviews.com NF-P14 FLX
    Test verdict: "Noctua’s legendary status remains very definitely intact with another premium quality fan. The NF-P14 FLX implements previous Noctua technology as well as some added extras that combine to add an extra dimension to the Noctua fan range." (Joe Blackmore, VerdisReviews.com)
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    08.02.2010 - CDRHard.cz NF-S12B FLX
    Test verdict: "12cm model ventilátoru Noctua je kvalitní volbou pro jakékoliv použití, bez problémů poslouží jako ventilace PC skříně, či výkonný ventilátor pro osazení na chladič procesoru. Jeho výkon je velmi dobrý a díky dodávaným redukcím si jistě zvolíte pro Vás vyhovující nastavení poměru výkonu/hlučnosti." (Jakub Carda, CDRHard.cz)
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    08.02.2010 - Tech-Review.de NH-D14
    Test verdict: "Einen tollen Kühler beschert Noctua jedem, der für 70Euro die, im humanen Drehzahlbereich, aktuelle Maximalkühlleistung erkaufen will. [...] Lautstärke- und kühltechnisch ist er, durch seine konstante Wärmeabführung in allen Drehzhalbereichen, sowie auch ohne Lüfter, durch seine Konstanz das Maß aller Dinge." (Gordian Hoffmann, Tech-Review.de)
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