NH-U9DO A3
 
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.
 
NH-U9P Performance optimised design
The NH-U9DO A3 is based on Noctua's much acclaimed NH-U series which have received more than 300 awards and recommendations from the international press. Six heatpipes, a performance optimised fin stack and an enlarged contact surface suitable for socket G34 allow for further improved performance.

SecuFirm Supports G34, C32 and Socket F
Thanks to the new NM-A3 SecuFirm2 mounting system that includes brackets with both 3.5" and 4.1" hole spacing, the NH-U9DO A3 supports Socket F as well as the newer G34 and C32 sockets.

Kit Can be turned by 90 for optimal compatibility and positioning
Noctua's NM-A3 SecuFirm2 mounting system makes it possible to install the cooler rotated by 90 in order to allow for an optimal positioning of the cooler and to evade compatibility issues on dual socket mainboards.

Kit Drop-in replacement for standard AMD coolers
Screwing directly to the standard AMD backplate, the NM-A3 SecuFirm2 mounting system makes the new A3 revision a true drop-in replacement. Choose the appropriate mounting brackets, fix the two spring screws and you're done!

NF-B9 2x NF-B9 92mm premium fan
Featuring advanced aerodynamic optimisations and Noctua's premium-grade SSO-bearing, the award-winning NF-B9 is renowned for its exceptional quietness and long-term stability. The dual fan configuration allows for increased performance and safeguarding against failure.

NT-H1 NT-H1 thermal compound
Noctua's much-acclaimed NT-H1 is a well proven pro-grade TIM solution that provides minimum thermal resistance, excellent ease-of-use and outstanding reliability, which makes it suitable for use in professional server and workstation environments.
 
Specifications

Socket compatibility AMD 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
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Fan compatibility 2x 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
  • Warranty 6 Years


    Fan specifications
     
    Model Noctua NF-B9
    Bearing SSO-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
    Airflow 64,3 m/h
    Airflow with L.N.A. 52,6 m/h
    Airflow with U.L.N.A. 41,1 m/h
    Acoustical Noise 17,6 dB(A)
    Acoustical Noise with L.N.A. 13,1 dB(A)
    Acoustical Noise with U.L.N.A. 7,9** dB(A)
    Input Power 1,32 W
    Voltage Range 12 V
    MTBF > 150.000 h

    No additional files, specification sheets, guides or documentation found for product.

    Warranty: 1 Year Return to Base

    Full manufacturers warranty details are available at the manufacturers (Noctua) web site.

    Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

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    These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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