CLUB3D Radeon X1950 CrossFire™ Edition. Graphics processor: Radeon X1950, Maximum resolution: 2048 x 1536 pixels, Processor clock speed: 650 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR4, Memory bus: 256 bit. Interface type: PCI Express. DirectX version: 9.0c, Shader model version: 3.0, OpenGL version: 2.0