Gigabyte Radeon HD5450. Graphics processor: Radeon HD5450, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express 2.1. Shader model version: 5.0, OpenGL version: 3.1. Compatible operating systems: Windows Vista