The HCG GOLD 850W is the 80 PLUS Gold Fully Modular PSU and best 850w power supply with 120mm FDB Fan/LLC + DC to DC Design/Full Japanese Caps/10-Year Warranty - Antec
Corsair RM850x 80 PLUS Gold, 850 Watts, Fully Modular ATX Power Supply Unit - Black : Amazon.co.uk: Computers & Accessories
Cooler Master MWE 850 Gold V2 Fully Modular PSU (UK Plug) - 80 PLUS Gold 850W Power Supply Unit, Flat Black Cabling, 120mm HDB Fan, High-Temperature Threshold - 5 Year Warranty :
Game Max RGB-850 80 Plus Gold PSU Modular 850W Power Supply Unit