Zotac Geforce GTX 280 1GB DDR3 AMP. Graphics processor: GeForce GTX 280, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 700 MHz. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR3, Memory bus: 512 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 2.1