Axle 3D nVidia GeForce GTS 450. Graphics processor: GeForce GTS 450, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 2048 MB, Graphics adapter memory type: GDDR3-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 2.0. Shader model version: 5.0, OpenGL version: 3.2, HDMI version: 1.3a. Minimum system power supply: 550 W