Power supply unit power 630 watt max power 700 watt certificates 80 plus noise emission 347 db pci express connectors 8 pin 2 serial ata connections 6 cable management non modular mains voltage 100 240 volt mains frequency 50 60 hz efficiency 20 86 efficiency 50 87 efficiency 100 84 cooling system active max fans 1 fan diameter 120 mm rpms 2 000 rpm power factor correction active special features intel haswell c6c7 sup