This 3Com Network Interface Card, model 3C905CX-TX-M, is a great addition to your computer's network capabilities. With a maximum data rate of 100 Mbps, this wired card is compatible with PCI ports and features Ethernet/ Network Cards external interfaces. It has one Ethernet port. The card is made by 3Com, a trusted brand in computer components and parts. It is perfect for those looking to upgrade their network interface and is a must-have for anyone in need of a reliable and fast network connection.