Connectors 1 x Main connector (20+4Pin) 1 x 12V(4+4Pin) 8 x peripheral 8 x SATA 1 x Floppy 6 x PCI-E Features Auto voltage detection (100V.~240V.) Noise Reduction Technology and Active Intelligent Fan Speed Control Environment-friendly and energy saving (Blue Angel & Energy Star) Over-Voltage Protection Over-Current Protection Over-Temperature Protection Short-Circuit Protection Perfect for professional or gaming user Comply with Intel EPS +12V standard Comply with AMD ATX-GEX standard Cable Management System Intel ATX V2.2 - 84+% efficiency Full range active PFC 12cm cooling fan with safety fan grill