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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.



NH-U12P Performance optimised design
The NH-U12DO 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-U12DO 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-P12 2x NF-P12 120mm premium fan
Featuring advanced aerodynamic optimisations and Noctua's premium-grade SSO-bearing, the award-winning NF-P12 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
18.12.2014 - Tom's Hardware NH-L12
Test verdict: "For a Mini-ITX CPU cooler, the Noctua NH-L12 is somewhat of a luxury product. But like any luxury item, this heat sink comes with all the bells and whistles. While the price might be high compared to competing coolers, the NH-L12’s quality, configurability and extras make this cooler a value nonetheless." (Thomas Soderstrom, Tom's Hardware)
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18.12.2014 - hardwarepoint.net NH-U14S
Test verdict: "Der NH-U14S ist noch leistungsfähiger als der ohnehin schon gut abschneidende Dark Rock 3 und hält somit die CPU noch kühler. Hinzu kommt das bessere Montagesystem, was am Ende auch einen teureren Einkaufspreis nach sich zieht." (Dennis Heinze, hardwarepoint.net)
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18.12.2014 - Donanimhaber Forum NH-U9S
Test verdict: "Uzun lafın kısası ufak form faktörde bir bilgisayar topluyorsanız ve size ram,ekran kartı, kasa uyumuyla sıkıntı yaşatmayacak bir hava soğutma çözümü arıyorsanız NH-U9S ye bakmanızı mutlaka tavsiye ederim. Zira şu an piyasada pek alternatifi ortada gözükmüyor. Altı sene garantide cabası." (Ali Emre Alıcı, Donanimhaber Forum)
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17.12.2014 - HT4U.net NH-U9S
Test verdict: "Noctuas jüngste Sprösslinge glänzen mit den üblichen Werten des Herstellers. Hervorragende Verarbeitung und Kompatibilität, einem wirklich tollen Montagesystem, bei welchem sich so mancher Anbieter eine Scheibe abschneiden könnte und einer guten Leistungsfähigkeit." (Peter Gräber, HT4U.net)
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