BFG LS-550 (New) power supply specs include:

• ATX12V 2.2
• Nominal labeled power: 550 W at 40º C.
• Measured maximum power: 624.8 W at 43.8º C.
• Labeled efficiency: 80% minimum (80 Plus certified)
• Measured efficiency: Between 80.3% and 85.7% at 115 V (nominal, see complete results for actual voltage).
• Active PFC: Yes.
• Modular Cabling System: No.
• Motherboard Power Connectors: One 24-pin connector and two ATX12V connectors that together form an EPS12V connector.
• Video Card Power Connectors: One six-pin connector and one six/eight-pin connector.
• SATA Power Connectors: Six in two cables.
• Peripheral Power Connectors: Six in two cables.
• Floppy Disk Drive Power Connectors: One.
• Protections: Over current (OCP, tested and working), over voltage (OVP, not tested) and short-circuit protection (SCP, tested and working).
• Warranty: Five years if registered 30 days after purchase, otherwise warranty if only of 2 years.
• More Information: http://www.bfgtech.com
• Average price in the US: N/A.