Antec TruePower Quattro 850 W power supply main specs include:

• EPS 2.91
• Nominal labeled power: 850 W at 50º C.
• Measured maximum power:850 W at 50º C.
• Labeled efficiency: Between 80% and 85%.
• Measured efficiency: Between 82.3% and 88.3% at 115 V.
• Active PFC: Yes.
• Motherboard Power Connectors: One24-pin connector, one ATX12V and one EPS12V connectors.
• Video Card Power Connectors: Four, two 6/8-pin connectors and two 6-pin connectors.
• Peripheral Power Connectors: Eight.
• Floppy Disk Drive Power Connectors: One.
• SATA Power Connectors: Six.
• Protections: over voltage (OVP, not tested), under voltage (UVP, not tested), over current (OCP, tested and working), over temperature (OTP, not listed by the manufacturer but present, not tested) and short-circuit (SCP, tested and working).
• Warranty: Five years.
• Real manufacturer: Enhance Electronics
• More Information: http://www.antec.com
• Average price in the US*: USD 200.

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