Graphics Controller Matrox MGA G550. Graphics Processor Manufacturer Matrox. Interfaces & Connexions Interfaces :2 x DVI-I - 29 pin combined DVI; 2 x VGA - 15 pin HD D-Sub (HD-15) ( with adapter ); Compatible Slots: 1 x PCI Express x1 - half-length, low-profile. This graphics card brings the reliability, stability, and features of the proven Millennium G550 product line to a wider variety of PCI Express systems. The x1 design of the card makes it compatible with all compliant PCI Express slots and the low-profile design allows the card to fit in small-form-factor computers. In addition to having Matrox display drivers for Windows, the Millennium G550 LP PCIe is the world's first low-profile PCI Express graphics card with open-source display drivers for Linux and other Unix-like operating systems. With support for using 2 monitors at a time and reliable passive cooling (a heat sink with no fan), this product is ideal for a variety of mission-critical professional applications, including computer-aided dispatch, security monitoring, and process control.