Specifications gpu amd radeon r9 fury x gpu stream processors up to 4096units compute units 64 3d clock up to 1050mhz memory clock 500mhz effective 1000mbps memory type 4096mb 4096bit hbm high bandwidth memory bus interface pci express 30x16 external power requirements 2x8pin pci e cooling system 2 slot water cooled system requirements pci express based pc with one x16 lane graphics slot 750w or greater power supply with two 150w 8 pin pci express power connector recomm