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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.
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| 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 CableNT-H1 high-grade thermal compoundSecuFirm2™ 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 m³/h | | | | | Airflow with L.N.A. | | 52,6 m³/h | | | | | Airflow with U.L.N.A. | | 41,1 m³/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 |
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20.05.2013 - TechSweden.org NF-A14 FLX
Test verdict: "Serien får fyra starka radiatorer av fem möjliga. Prestanda-till-ljudnivå förhållandet är väldigt högt och vi är väldigt nöjda med fläktarnas prestationer." (Emil Daunfelt, TechSweden.org)
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20.05.2013 - Dr. Chaos NF-S12A FLX
Test verdict: "Por todo lo analizado Dr.caos se enorgullece en otorgar a los NF-S12A, tanto el FLX como el ULN como el PWM el premio ORO de compra recomendada." (Jose Antonio Arráez, Dr. Chaos)
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20.05.2013 - Sabios del PC NH-U14S
Test verdict: "Como veis un resultado superior a su hermano menor el Noctua NH-U12S con el que obtuvimos unos excelentes resultados pero que se han visto superados por el Noctua NH-U14S. Si bien ambos son excelentes disipadores y con ambos podremos exprimir al máximo nuestro procesador, deberemos de encontrar el equilibrio entre nuestra inversión en la adquisición del disipador y el resultado que queramos encontrar en lo que a refrigeración se refiere, ahora nosotros si tenemos que elegir nos quedamos con el Noctua NH-U14S, una bestia que nada tiene que envidiar a los kits de refrigeración líquida tan de moda hoy en día, todo ello también con una gran compatibilidad" (Raul Esteban Martin, Sabios del PC)
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