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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.



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.




Noctua
20.09.2014 - HWready.it NF-A4x10 5V
Test verdict: "Detto cị senza fronzoli e giri di parole, se necessita di ventole di prima scelta non rimarrete delusi della serie NF Noctua." (Santoro Luigi, HWready.it)
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19.09.2014 - WarLegend.net NH-D15
Test verdict: "Je recommande le NH-D15 qui est silencieux et efficace ! Amis overclockeur, amis gamers, foncez ! Vous avez là un ventirad qui tient un OC aussi bien qu’un ventirad watercooling (voir mieux que certains)." (Godin Charles, WarLegend.net)
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16.09.2014 - HardwareHeaven.com NH-D15
Test verdict: "Excellent thermal performance, decent noise levels and great looks. The Noctua NH-D15 wins our performance award." (Stuart Davidson, HardwareHeaven.com)
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16.09.2014 - 4Tech.be NH-D15
Test verdict: "Noctua heeft met de NH-D15 weer laten zien dat het heer en meester is op het gebied van luchtkoeling. De NH-D15 weet ontzettend goede prestaties neer te zetten op zowel het gebied van koeling als geluidsproductie. Hij weet in ieder geval veel waterkoelsetjes te evenaren of zelfs voorbij te streven." (Henk van Hest, 4Tech.be)
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