Connect3D Radeon X1550 256MB. Graphics processor: Radeon X1550, Maximum resolution: 1920 x 1200 pixels, Processor clock speed: 400 MHz. Graphic adapter memory: 256 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express. DirectX version: 9.0. Minimum system power supply: 450 W