Rosewill SilentNight Series 500W 80 Plus Platinum Certified Modular Design ATX12V/EPS12V Power Supply SilentNight-500 Intel Haswell CPU Ready Supports all Intel and AMD multi-core and its compatible Motherboards, ATX/BTX compliant Fit in with EuP (Energy-using Products) instructions / U.S.A Energy Star standards: energy consumption during shut off status less than 1W Support nVIDIA (SLI)/ATI, high rank & high efficiency graphic card PCI-E power plugs are setup in a 6+2 configuration for the latest graphic cards and compatible with every brand Passed 80 PLUS Platinum Certification, on 20% 50% 100% loading, with 91% 92% 90% Transform Efficiency Multiple Protection Design : OVP,OPP,SCP Switches can use for more then 2000 times