OCZ StealthXStream 400 W power supply specs include:

• Nominal labeled power: 400 W.
• Measured maximum power: 453.4 W at 46.9º 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 81.6% and 85.3% 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/eight-pin connector.
• SATA Power Connectors: Four in one cable.
• Peripheral Power Connectors: Six in two cables.
• Floppy Disk Drive Power Connectors: Two in two cables.
• Protections: Over voltage (OVP, not tested), over current (OCP, tested and working) and short-circuit (SCP, tested and working).
• Warranty: Three years.
• Real Manufacturer: CWT
• More Information: http://www.ocztechnology.com
• Average price in the US*: 55.00.

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