XFX Radeon HD 4650, Radeon HD 4000 Series. Graphics processor: Radeon HD4650, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express 2.0. DirectX version: 10.1, OpenGL version: 2.0. Minimum system power supply: 400 W