MARS GAMING MPIII 550W 85+ Efficiency: – The MPII550, with its Ecological design, achieves an extremely high efficiency of 85+, for greater energy saving and a long useful life. Power: – Total power: 550 W – AC input voltage: 200 – 240 V – AC input frequency: 50/60 Hz – Power Factor Correction (PFC) type: Active – Max output current (+3.3V): 25 A – Max output current (+12V): 34 A – Max output current (+5V): 25 A – Max output current (-12V): 0.5 A – Max output current (+5Vsb): 2.5 A – Efficiency: 85% – Power protection features: Over power, Over voltage, Short circuit, Under voltage Ports & interfaces: – Motherboard power connector: 20+4 pin ATX – Number of SATA power connectors: 3 – Number of PATA power connectors: 2 – Peripheral (Molex) power connectors (4-pin): 2 – EPS power connector (4+4 pin): NO – CPU power connector (4+4 pin): Yes