Single gpu graphics card series ati amd radeon r7 250 slot pcie pcie lanes x16 pcie version 30 chipset ati amd oland chipset manufacturer ati amd cpu clock speed 1 000 mhz memory type gddr5 memory interface 128 bit memory clock speed 4 600 mhz interfaces dvi hdmi dvi specification dvi d dual link directx support 112 opengl support 43 shader model 50 stream processing units 384 max resolution 1920 x 1200 pixel production process