STARTECH Pci Express Gigabit Ethernet Fiber PEX1000SFP2, 1 - Connector Type(s): PCI Express x1, 1 - External Ports: SFP Slot, Ports: 1, Interface: Fiber Ethernet, Bus Type: PCI Express, Card Type: Standard Profile (LP bracket incl.), Chipset ID: Realtek - RTL8168EMarvell - 88E1111B1, 1 - LED Indicators: Link (Green), Activity (Yellow), Maximum Data Transfer Rate: 2000 Mbps (2 Gbps) - Full-Duplex, Buffer Size: 48 KB, Compatible Networks: 1000 Mbps (1 Gbps) The PEX1000SFP2 PCI Express Gigabit Fiber Network Card lets you connect a PCI Express-based computer directly to a fiber optic network us