Single gpu graphics card series ati amd fire pro slot pcie pcie lanes x16 pcie version 30 chipset ati amd tahiti pro chipset manufacturer ati amd cpu clock speed 900 mhz memory size 6 gb memory type gddr5 memory interface 384 bit interfaces display port directx support 111 shader model 50 stream processing units 2 048 production process 28 nm cooling system passive tdp 225 watt