Sapphire HD 5670 1GB DDR3 HM. Graphics processor: Radeon HD 5670, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphic adapter memory: 1024 MB, Graphics adapter memory type: DDR3-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 2.1. Shader model version: 5.0, OpenGL version: 4.0, HDMI version: 1.3. Bundled software: Drivers CD