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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 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
    31.07.2015 - Techno-Kitchen.com NH-D15S
    Test verdict: "Отличная доработка. Реальная высота - 16 см. Максимальная совместимость с корпусами. Не ограничения для высоких радиаторов памяти. Тихая, мощная лидирующая модель." (Konstantin Ivanov, Techno-Kitchen.com)
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    31.07.2015 - ENG PC NH-D15S
    Test verdict: "المشتت NH-D15s يقدم أداء رائع ومقارب لأداء أخيه الأكبر NH-D15، ولكنني أفضل D15s بسبب صغر الحجم والصوت الأكثر هدوءًا وبالتأكيد دعمه للذواكر المرتفعة، والأهم من ذلك أنه الأفضل بهذا السعر في مقابل الأداء، إن كنت تطمح في صوت هادئ للغاية وأداء رائع فاقتني مشتت NH-D15s سواء كنت من مستخدمي مقبس LGA115X أو LGA2011 فهو يدعمهم أيضًا إن كنت تمتلك معالج من معالجات AMD العليا مثل FX-9590 فأنصحك باقتناء هذا المشتت" (Amir Abd EL Fattah, ENG PC)
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    29.07.2015 - Basic-Tutorials.de NH-C14S
    Test verdict: "Noctua weiß auch, wie üblich, in Sachen Qualität zu überzeugen. Der hohe Produktionsaufwand fällt sofort aus. Die Kühlleistung spricht ebenso für sich." (Lukas Heinrichs, Basic-Tutorials.de)
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