The Vintage NIB D-Link DFE-550TX 10/100 Fast Ethernet Desktop Internal Adapter is a black Ethernet/Network Card with a maximum data rate of 100 Mbps. It has a single port and is compatible with PCI ports. Made by D-Link, this wired adapter is a reliable choice for those looking to enhance their computer's network capabilities with a classic and efficient solution. Perfect for those who want a straightforward and dependable Ethernet adapter to connect their desktop computer to a wired network. New in a sealed box, this comes from my smoke-free, pet-free home.