VTX3D VX6670 2GBK3-H Radeon HD 6670 Graphic Card - 800 MHz Core - 2 GB DDR3 SDRAM - PCI Express 2.1 x16 - 1000 MHz Memory Clock - 2560 x 1600 - CrossFireX - Fan Cooler - DirectX 11.0, OpenGL 4.1 - HDMI - DVI - VGA. With more than twice the processing power of previous generation AMD discrete graphics cards, ATI Radeon HD 6600 Series graphics cards deliver a cinematic gaming experience and unprecedented performance.