OCZ 850 W GameXStream Power Supply (NVIDIA SLI-Ready). Nominal power: 850 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Colour of product: Black. Connector(s): 1 x 20+4Pin ATX/1 x 4-pin/8-pin CPU/6 x 4-pin peripheral/2 x 4-pin floppy. Mean time between failures (MTBF): 100000 h