320 stream processing units, 128-bit memory interface, Dual mode ATI CrossFireXTM multi-GPU support, Built-in HDMI with 7.1 surround sound support The ATI Radeon HD 4600 Series graphics cards performs 3 times to that of generation1 of GPUs and deliver a cinematic gaming experience Accelerate your PC with the ATI RadeonTM HD 4650 GPU and get [...]