PowerColor HD 2400 PRO 256MB. Graphics processor: Radeon HD2400, Maximum resolution: 2560 x 1600 pixels, Parallel processing technology support: CrossFire. Graphic adapter memory: 256 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express. Shader model version: 4.0, OpenGL version: 2.0