Corsair HX620W power supply main specs include:

• ATX12V 2.2
• Nominal labeled power: 620 W at 50º C.
• Measured maximum power: 746 W at 48º C.
• Labeled efficiency: minimum 80%.
• Measured efficiency: 82.9% to 88.0% at 115 V.
• Active PFC: Yes.
• Motherboard Connectors: One 20/24-pin connector, one ATX12V connector and one EPS12V connector.
• Peripheral Connectors: two 6/8-pin PCI Express auxiliary power cables; two peripheral power cables containing two standard peripheral power connectors each; two peripheral power cables containing three standard peripheral power connectors each; two Serial ATA power cables containing three SATA power connectors each; one Serial ATA power cable containing two SATA power connectors; one “Y” adaptor for floppy disk drives containing one standard power connector at one end and two floppy disk drive power connectors at the other end; and one fan “Y” adaptor allowing you to connect two fans to a single peripheral power connector.
• Protections: short-circuit (SCP), over current (OCP), over voltage (OVP), over power (OPP) and under voltage (UVP).
• Warranty: 5 years.
• More Information: http://www.corsairmemory.com
• Real Model: Seasonic S12
• Average price in the US*: USD 160.00

* Researched at Shopping.com on the day we published this review.