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 1 125 mhz memory size 2 gb memory type gddr5 memory interface 128 bit suitable for office interfaces dvi hdmi vga directx support 112 opengl support 43 shader model 50 stream processing units 384 production process 28 nm cooling system active chipset features powertune