HIS Radeon HD 4670 IceQ 1 GB (128bit) DDR3 HDMI Dual DL-DVI (HDCP) PCI Express 2.0 X16 Video Card Retail (RoHS) H467QR1GH CHIPSET FEATURES?: 320 stream processing units; 128-bit memory interface Go Beyond HD Video: Accelerate your PC with the ATI RadeonTM HD 4670 GPU IceQ Technology - Efficient transfer of heat outside of computer case: Cool air is drawn from both sides of the fan Microsoft DirectX 10.1 support: ATI RadeonTM HD 4600 series GPUs offer full support for the new DirectX 10 and DirectX 10.1 API ATI CrossFireXTM Technology" "Take gaming to a new level with plug-n-play ease"