Single gpu graphics card series nvidia geforce gtx 970 slot pcie pcie lanes x16 pcie version 30 chipset nvidia gm204 chipset codename maxwell chipset manufacturer nvidia cpu clock speed 1 152 mhz boost clock 1 304 mhz memory size 4 gb memory type gddr5 memory interface 256 bit memory clock speed 7 000 mhz interfaces display port dvi mini hdmi dvi specification dvi i dual link directx support 12 shader model 51 stream processing units 1