Single gpu graphics card series ati amd radeon r7 240 slot pcie pcie lanes x16 pcie version 30 chipset ati amd oland chipset manufacturer ati amd cpu clock speed 770 mhz memory size 4 gb memory type ddr3 memory interface 128 bit memory clock speed 5 400 mhz interfaces dvi hdmi vga dvi specification dvi d dual link directx support 112 opengl support 43 shader model 50 stream processing units 320 max resolution 2560 x 1600 pixel