Sapphire Radeon HD 6790 1GB GDDR5 LRTL. Graphics processor: Radeon HD 6790, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: ATI. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 256 bit. Interface type: PCI Express 2.0. Shader model version: 5.0, OpenGL version: 4.1, HDMI version: 1.4a. Compatible operating systems: Windows 7