Sapphire HD 6750 1GB GDDR5. Graphics processor: Radeon HD6750, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 2.0. Shader model version: 5.0, OpenGL version: 4.1, HDMI version: 1.4a. Minimum RAM: 1024 MB, Minimum system power supply: 450 W