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Noctua's DO line of coolers has become a default choice when it comes to quietly cooling AMD Opteron CPUs. Upgrading both compatibility and performance, the new A3 model features Noctua's professional NM-A3 SecuFirm2™ mounting system that not only supports socket G34, C32 and F, but also allows to install the cooler turned by 90. Thanks to six heatpipes, a performance optimised fin stack and its two premium grade NF-P12 120mm fans, the NH-U12DO A3 cools even the hottest high-end Opteron processors at minimum noise levels. Bundled with Noctua's industrial-grade NT-H1 thermal compound, the NH-U12DO A3 forms a complete premium quality package for quietly cooling AMD workstations and servers.



Socket compatibilityAMD G34, C32, F (3.5" & 4.1")
Height (without fan)158 mm
Width (without fan)126 mm
Depth (without fan)71 mm
Height (with fan)158 mm
Width (with fan)126 mm
Depth (with fan)95/120* mm
Weight (without fan)800 g
Weight (with fan)970/1140* g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Fan compatibility120x120x25mm
Scope of Delivery
  • 2x NF-P12 premium fan
  • Ultra-Low-Noise Adaptor (U.L.N.A.)
  • Low-Noise Adaptor (L.N.A.)
  • NT-H1 high-grade thermal compound
  • SecuFirm2™ Mounting Kits
  • 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 m/h
    Airflow with L.N.A.78,5 m/h
    Airflow with U.L.N.A.63,4 m/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
    01.07.2015 - GameTechModding.com NH-D15S
    Test verdict: "Prodotto ottimo!" (Enrico Luperini, GameTechModding.com)
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    01.07.2015 - NextHardware.com NH-C14S
    Test verdict: "Design sofisticati, materiali eccelsi e prestazioni da far impallidire la concorrenza sono ormai una costante in ognuno dei dissipatori targati Noctua. Ed i nuovi NH-D15S e NH-C14S non sono da meno grazie a strutture davvero robuste ed efficienti e a ventole estremamente performanti e silenziose." (Alfonso Basilicata, NextHardware.com)
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    30.06.2015 - Play3r.net NH-D15S
    Test verdict: "The bottom line is that the Noctua NH-D15S is a solid performer, as well as offering fantastic compatibility which is aimed to help enthusiasts and consumers with large memory heatsinks, as well as PCIe slots;" (Gavin Bonshor, Play3r.net)
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    30.06.2015 - DVTests.com NF-S12B redux-1200 PWM
    Test verdict: "With this airflow and static pressure measured through the tests, the fan is definitely capable to deliver astonishing cooling performance, which will be able to keep every processor cool and stable, while being cooled by a CPU cooler or water radiator compatible with 120 mm fans." (Dobrin Krastev, DVTests.com)
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