... energy efficiency, complies with Energy Stars and 80 PLUS Type: BTX-450-1Version: Intel ATX 12V ... energy efficiency, complies with Energy Stars and 80 PLUS *High efficiency more than 80%, available from 300W ... energy efficiency, complies with Energy Stars and 80 PLUS,TYPICAL EFFICIENCY (50% Load): 84.2%.*2 ... graphic cards,Supports SLI and Cross Fire dual graphics card system. *Supports X56 ,P45, G45 and ...