PowerColor Radeon HD5670 512MB GDDR5. Graphics processor: Radeon HD5670, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 775 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR5, Memory bus: 128 bit. Interface type: PCI Express 2.1. Shader model version: 5.0, OpenGL version: 3.2, HDMI version: 1.3. Depth: 111 mm, Height: 38 mm, Width: 182 mm