Seventeam ST-550P-AG power supply specs include:

• Nominal labeled power: 550 W.
• Measured maximum power: 630 W at 49º C.
• Labeled efficiency: 80% maximum.
• Measured efficiency: Between 77% and 83%.
• Active PFC: Yes.
• Modular Cabling System: No.
• Motherboard Power Connectors: One 20/24-pin connector, one EPS12V connector and one ATX12V connector (sharing the same cable).
• Video Card Power Connectors: Two 6-pin connectors (sharing the same cable).
• Peripheral Power Connectors: Eight in three cables.
• Floppy Disk Drive Power Connectors: One.
• SATA Power Connectors: Two in one cable.
• Protections: Over voltage (OVP, not tested) and over power (OPP, not tested). Even though not listed by the manufacturer, the monitoring integrated circuit supports under voltage (UVP) and over current (OCP, tested and working). Short-circuit protection present and active.
• Warranty: N/A.
• Manufacturer website: http://www.seventeam.com.tw
• More Information: http://www.scribd.com/doc/427599/ST550PAG
• Average price in the US: We couldn’t find the reviewed product being sold in the US.