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  ZeDen.net Review

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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-B9 92mm fans, the compact NH-U9DO A3 cools Opteron processors up to a thermal design power (TDP) of 115W at minimum noise levels. Bundled with Noctua's industrial-grade NT-H1 thermal compound and fitting standard 4U chassis, the NH-U9DO A3 forms a complete premium quality package for quietly cooling AMD workstations and servers.

Caution: Due to its more compact design and quiet operation, the NH-U9DO A3 is approved only for processors with up to 115W thermal design power (TDP). Using the NH-U9DO A3 on higher TDP processors may be possible with increased case ventilation depending on the specific configuration but is not officially supported by Noctua.



Socket compatibilityAMD G34, C32, F (3.5" & 4.1")
Height (without fan)125 mm
Width (without fan)95 mm
Depth (without fan)71 mm
Height (with fan)125 mm
Width (with fan)95 mm
Depth (with fan)95/120* mm
Weight (without fan)540 g
Weight (with fan)630/720* g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Fan compatibility2x 92x92x25mm
Scope of Delivery
  • 2x NF-B9 premium fan
  • 2x Ultra-Low-Noise Adaptor (U.L.N.A.)
  • 2x Low-Noise Adaptor (L.N.A.)
  • Y-Split Cable
  • NT-H1 high-grade thermal compound
  • SecuFirm2™ Mounting Kits
  • 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 m/h
    Airflow with L.N.A.52,6 m/h
    Airflow with U.L.N.A.41,1 m/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
    02.09.2015 - OverclockersClub.com NH-L9x65
    Test verdict: "Are you looking to build a small system based on an ITX motherboard? With a six-year warranty, the NH-L9x65 retails for $59.99 and would be right at home in your HTPC build." (Chris Dawalt, OverclockersClub.com)
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    01.09.2015 - WhatNext.pl NH-D15S
    Test verdict: "Oczywiście cooler posiada wszystko to co wersja NH-D15 – znakomitą jakość wykonania, stosunkowe ciche działanie na niższych obrotach, świetne akcesoria i dobrą wydajność. Dlatego też, jeśli starszy model NH-D15 jest zbyt szeroki i nie zamontujecie dwóch śmigieł to polecam zakup tej wersji." (Michał Andruszkiewicz, WhatNext.pl)
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    01.09.2015 - Neoseeker.com NH-C14S
    Test verdict: "With the availability of past and future mounting kit options from Noctua, a 6 year warranty and several fan configuration options, the NH-C14S cooler proves an exceptional design that will help your computer system operate with ideal thermal performance." (Marvin Purdy, Neoseeker.com)
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    01.09.2015 - ITPC.net.pl NH-U14S
    Test verdict: "Mogę z czystym sumieniem polecić każdemu chłodzenia tej firmy, gdyż wyróżniają się wysoką wydajnością i idealną wręcz jakością wykonania. Ewidentnie jest to wzór do naśladowania." (Karol Kaszubowski, ITPC.net.pl)
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