Cooler Master Real Power Pro 850 W (RS-850-EMBA) power supply main specs include:
ATX12V 2.3
EPS12V 2.91
Nominal labeled power: 850 W at 50º C with 1,000 W peak power.
Measured maximum power: 998 W at 60º C.
Labeled efficiency: 81% at 170 W, 85% at 425 W and 82% at 850 W
Measured efficiency: Between 81% and 88% at 115 V.
Active PFC: Yes.
Motherboard Power Connectors: One 24-pin connector, one ATX12V connector and one EPS12V connector.
Video Card Power Connectors: Four, two 6/8-pin and two 6-pin connectors.
Peripheral Power Connectors: Six, two cables with three standard peripheral power connectors and one floppy disk drive power connector each.
SATA Power Connectors: Eight, two cables with four SATA power connectors each.
Protections: Over voltage (OVP, not tested), over current (OCP, tested and working), over temperature (OTP, tested, partially working, see text for explanation) and overload (OLP, not tested).