By Bestbuy.com

Cooler Master - V850 SFX Gold Full-Modular 80 Plus Gold SFX Power Supply - SFX - 120 V AC, 230 V AC Input - 5 V DC, 3.3 V

Cooler Master V850 SFX Gold Full-Modular 80 Plus Gold SFX Power Supply - SFX - 120 V AC, 230 V AC Input - 5 V DC, 3.3 V DC, 12 V DC Output - 850 W - 1 Fan(s) - 90% Efficiency