Sparkle Technology GeForce 9400 GT. Graphics processor: GeForce 9400 GT, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 550 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 2.0