Matrox M9128 LP M9128-E1024LAF 1GB DDR2 PCI Express x16 Dualhead Displayport Graphics Card Chipset Manufacturer: matrox DirectX: DirectX 9 OpenGL: OpenGL 2.0 DisplayPort: 2 Operating Systems Supported: Windows 7 (32/64bit) Windows Vista (32/64bit) Windows XP (32/64bit) Windows Server 2003/2008 (32/64bit) Linux Package Contents: Matrox M9148 LP PCIe x16 graphics card with factory-installed ATX bracket (low-profile bracket in the box)