This is a Fast Ethernet 2km MMF PCI network interface card with a single open ST port that complies with IEEE 802.3 standards. It is based on a VIA VT6105 chipset and is compatible with variety of different applications and operating systems, including Windows, Linux and Unix-like systems. Providing 100Mbs of network speed, it fully supports high-end servers and a variety of networking applications. In addition, this card supports high level VLAN filtering. The single ST port accommodates multi-mode, providing a reach up to 2km. This product includes both half-height and full-height brackets. All of our network interface cards are 100% compliant, and offer a cost effective solution for all of your network upgrade needs. With our certification test program, we guarantee your product will work right the first time.