Flexible and versatile, the Millennium G550 PCIes x1 design, makes it compatible with all compliant PCI Express slots and is especially useful for systems with no available PCI Express x16 slots. This cost-effective multi-display graphics card is the worlds first PCI Express graphics card with open-source display drivers for Linux and other Unix-like operating systems, in addition to having Matrox display drivers for Windows. With support for using 2 digital or analog monitors at a time and reliable passive cooling (a heat sink with no fan), this product is ideal for a variety of back-office applications.