HIS H465F512P Radeon HD 4650 HDMI Dual DL-DVI HDCP 512MB 128bit DDR2 PCI Express 2.0 X16 Video Card ATI Radeon HD 4600 Series Key Features GDDR3 memory 128-bit memory interface DirectX 10.1 The ATI Radeon HD 4600 Series GPUs deliver a cinematic gaming experience with unprecedented performance. ATI Avivo HD is the advanced image and video processing and display technology found in ATI Radeon HD GPUs . A system with an ATI Radeon HD 4600 Series graphics card can help enhance the HD entertainment experience by providing a seamless connection to an HDTV or home theater system.