Power supply unit power 450 watt certificates 80 plus white noise emission 361 db pci express connectors 8 pin 2 serial ata connections 4 cooling system active max fans 1 power factor correction active motherboard power connectors atx12v 24 pins floppy 2 peripheral connectors 4 pin 4 dimensions 86 x 15 x 14 cm safety features psu protection over voltage protection ovp under voltage protection uvp short circuit protection scp