3COM Corp U.S.Robotics Gigabit Ethernet PC Card - network adapter ( USR997903 )

U.S. Robotics Gigabit Ethernet PC Cards deliver 1000 Mbps networking performance to laptop PCs at an incredible value. Now laptop users can take advantage of the next generation of Ethernet networking to distribute the largest files (digital video, high-resolution photographs, etc.) at unprecedented speeds. Maximizing your flexibility, it automatically determines the speed of your network and adjusts to match 10, 100 or 1000 Mbps. This is the one PC Card you need for your laptop to take advantage of today\'s high-speed networks. (Amazon)