OCZ StealthXStream 500 W power supply specs include:

• Nominal labeled power: 500 W.
• Measured maximum power: 499.2 W at 48.3º C.
• Labeled efficiency: 80% at 115 V or 83% at 230 V, both numbers at typical load, i.e., 50% load (80 Plus certified).
• Measured efficiency: Between 79.4% and 83.4% 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 and one ATX12V connector.
• Video Card Power Connectors: One six-pin connector.
• SATA Power Connectors: Three in one cable.
• Peripheral Power Connectors: Four in two cables.
• Floppy Disk Drive Power Connectors: One.
• Protections: Over voltage (OVP, not tested), over current (OCP, tested and working) and short-circuit (SCP, tested and working).
• Warranty: Three years.
• Real Manufacturer: FSP
• More Information: http://www.ocztechnology.com
• Average price in the US*: 70.00.

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