Power supply unit power 430 watt max power 500 watt certificates 80 plus pci express connectors 8 pin 1 serial ata connections 5 cable management non modular mains voltage 100 240 volt mains frequency 50 60 hz efficiency 20 84 efficiency 50 86 cooling system active max fans 1 fan diameter 120 mm rpms 2 000 rpm power factor correction active special features energy star 50 intel haswell c6c7 support power switch mtbf 100 000