The 3Com 3C905CX-TXM Fast EtherLink XL PCI Ethernet Network Card is a high-quality LAN card designed for computer systems. With a maximum data rate of 100 Mbps, this internal PCI card provides a reliable and fast network connection. Made in the United States by the trusted brand 3Com, this unit offers a single port interface for seamless integration into various networking setups. Ideal for enhancing the networking capabilities of a computer system, this Ethernet network card is a valuable component for businesses or personal use.