POWER SUPPLY ATX 12V V 2.3. WITH 550W POTENCY, INCLUDES PASSIVE PFC AND SILENT 12 CM FAN. DOUBLE SIDED CIRCUIT DESIGN. COMPLIES WITH ROHS ENVIRONMENTAL REGULATORY NORMS. PIN: 1 X ATX 20+4, 1 X 4+4 PIN CPU, 3 X SATA POWER, 1 X FDD, 3 X MOLEX, 1 X PCI-EXPRESS 6 PIN