Gigabyte ATI Radeon HD4650 1 GB AGP Video Card GV-R465D2-1GI Chipset: Radeon HD 4650 / Process Technology: 55nm Core clock: 600 Mhz / Memory Clock: 800Mhz Memory Size: 1GB / Memory Bus: 128bit / Memory Type: GDDR2 Card Bus: AGP 8x DirectX: 10.1 / OpenGL: 2.1 / Vertex/Pixel Shadder: 4.1