Sparkle Technology GeForce GTX275 1792MB. Graphics processor: GeForce GTX 275, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 1792 MB, Graphics adapter memory type: GDDR3, Memory bus: 448 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 3.0