Aerocool mod xt 550w modular psu 80 certified apfc psu 204 pin main connectors 1 44 pin 12v connectors 1 sata connectors 5 modular 4 pin molex connectors 4 modular 62 pin pci e connectors 2 modular floppy drive connectors 1 modular dimensions 150mm x 86mm x 140mm w x h x d input voltage 230 vac input current 5a input frequency range 50hz pfc active pfc gt99 power good signal 100 500 ms hold up time gt17ms efficiency gt82 mtbf 100 000 hours protectio