Matrox G55MADDA32DSF. Graphics processor family: Matrox, Maximum resolution: 2048 x 1536 pixels. Graphics adapter memory type: DDR, Memory bus: 64 bit. Interface type: AGP 4x. Cooling type: Passive, Certification: Class B – ACA, CE, CSA, FCC, VCCI. Minimum system requirements: Microsoft Windows 2000 and Windows XP *