Sapphire HD 3450 512MB DDR2 PCI-E. Graphics processor: Radeon HD3450, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 600 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express x16. Cooling type: active. DirectX version: 10.1, Shader model version: 4.1, OpenGL version: 2.0