MSI R7770-2PMD1GD5/OC. Graphics processor: Radeon HD 7770, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: ATI. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 3.0. OpenGL version: 4.2. Depth: 38 mm, Height: 111 mm, Width: 235 mm