Diamond 3650PE512H ATI Radeon HD 3650 PCI Express 512MB GDDR2 Video Card 512 MB Memory, 128-bit memory interface GDDR2 memory configuration Support for Microsoft Direct X 10.1 / Shader Model 4.1, OpenGL 2.0 Up to 24X Custom Filter Anti-Aliasing High-speed 128-bit-HDR (High Dynamic Range) rendering Built-in HDMI and 5.1 surround sound