The EVGA SuperNOVA 750 G2 and 850 G2 Gold power supplies are rated for a combined, continuous output power of up to 750 watts and 850 watts respectively at 50°C operating temperature. Both PSUs incorporate a single +12V rail. The 750 G2 can deliver up to 62.4A (748.8W) on the +12V outputs while the 850 G2 can deliver up to 70.8A (849.6W). And both PSUs include universal AC line input (automatically adjusts the AC line voltage) and active PFC, which makes the units more environmentally friendly to the local power grid.
EVGA SuperNOVA 750 G2 PSU Specifications (from the EVGA website):
EVGA SuperNOVA 850 G2 PSU Specifications (from the EVGA website):
Note: EVGA is currently offering a 10-year warranty for the 750 G2 and 850 G2 power supplies, when you register your product.