Power supply unit power 700 watt max power 750 watt certificates 80 plus bronze noise emission 29 db pci express connectors 8 pin 4 serial ata connections 6 cable management non modular mains voltage 100 240 volt mains frequency 50 60 hz efficiency 20 87 efficiency 50 91 efficiency 100 87 cooling system active max fans 1 fan diameter 120 mm rpms 1 598 rpm power factor correction active special features energy star 60 p