... : Active PFCSupport: Intel,AMD the latest dual-core, quad-coreAuthentication: High energy efficiency, complies with Energy Stars and 80 PLUS*efficiency ... -end graphic cards,Supports SLI and Cross Fire dual graphics card system. *Supports X56 ,P45, G45 and nFORCE 790i/780i chipset ... , i7 , AMD microprocessors and so on. *After service has safeguard. high quality 400w atx power supply/ PC-Power Supply