CLUB3D HD 4890, 1024MB, GDDR5. Graphics processor: Radeon HD4890, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 850 MHz. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5, Memory bus: 256 bit. Interface type: PCI Express 2.0. DirectX version: 10.1, OpenGL version: 3.0. Minimum system requirements: CD-ROM, Minimum RAM: 1024 MB, Minimum system power supply: 500 W