HIS Radeon X1550 iFan. Graphics processor: Radeon X1550, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphics adapter memory type: DDR2, Memory bus: 64 bit, Memory clock speed: 800 MHz. Interface type: PCI. DirectX version: 9.0. Depth: 22 mm, Height: 180 mm, Width: 126 mm