Single gpu graphics card series ati amd radeon r9 290x slot pcie pcie lanes x16 pcie version 30 chipset ati amd hawaii xt chipset manufacturer ati amd cpu clock speed 1 050 mhz memory size 4 gb memory type gddr5 memory interface 512 bit memory clock speed 5 000 mhz interfaces 2x dvi display port hdmi dvi specification 2x dvi d dual link directx support 112 opengl support 43 shader model 50 stream processing units 2 816 max resol