Quick overview from the supplier:
PSU GIGABYTE "GP-UD850GM", 850W, ATX12V V2.31, 80 PLUS® Gold, Full Modular, Flat Black Cables, Active PFC + Full Bridge SRC LLC + DC to DC, 120mm HYB Fan with PWM, +12V (70.8A), 20+4 Pin, 2xCPU(4+4Pin), 8x SATA, 4xPCI-E(6+2pin), 3x Peripheral, OVP/OPP/SCP/UVP/OCP/OTP, Black
