VTX3D VX4650 1GBD2-H. Graphics processor: Radeon HD4650, Maximum resolution: 2560 x 1600 pixels, Parallel processing technology support: CrossFire. Graphic adapter memory: 1024 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express 2.0. DirectX version: 10.1