ASUS P-50GA power supply specs include:

• ATX12V 2.2
• Nominal labeled power: 500 W.
• Measured maximum power: 686.8 W at 47.5º C.
• Labeled efficiency: N/A
• Measured efficiency: Between 75.5% and 81.0% at 115 V (nominal, see complete results for actual voltage).
• Active PFC: Yes.
• Modular Cabling System: No.
• Motherboard Power Connectors: One 20/24-pin connector, one ATX12V connector and one EPS12V connector.
• Video Card Power Connectors: Two six/eight-pin connectors.
• SATA Power Connectors: Four in two cables.
• Peripheral Power Connectors: Six in two cables.
• Floppy Disk Drive Power Connectors: One.
• Protections: Over current (tested and working), over voltage (OVP, not tested), under voltage (UVP, not tested), over power (OPP, not tested), over temperature (OTP), no load (NLO) and short-circuit (SCP, tested and working) protections.
• Warranty: N/A.
• More Information: http://www.asus.com
• Average price in the US: We couldn’t find this product being sold in the USA.