Matrox M9148 M9148-E1024LAF 1GB PCI Express x16 Low-profile Workstation Video Card Chipset Manufacturer: matrox OpenGL: OpenGL 2.0 DisplayPort: 4 x Mini DisplayPort Digital Resolution: 2560 x 1600 Max Displays Per Board: 4 Cooler: Fanless 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) Four miniDP to DP adapters Four DP to DVI connector adapters