Zotac GeForce 9500 GT AMP!. Graphics processor: GeForce 9500 GT, Maximum resolution: 2560 x 1600 pixels, Processor front side bus: 650 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3, Memory bus: 128 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 2.1