Now you can connect to any 10, 100, or 10/100 Mbps hub or switch without having to open your PC. The EtherFast 10/100 Compact USB Network Adapter from Linksys allows you to instantly connect to a network from USB-enabled desktop or notebook PC running any version of Windows that supports USB. The Plug and Play-compatible device attaches to your PC's or hub's USB port via a USB Type A connector. Simply connect a standard UTP Category 5 network cable into the EtherFast 10/100 Compact USB Network Adapter's RJ-45 port, install the included network software drivers, and you are networked.??The EtherFast 10/100 Compact USB Network Adapter is bus-powered, drawing power from the host PC and requires no external power cords. The 10/100 Compact USB Network Adapter features the maximum throughput supported by USB, easy-to-read LEDs, and compact design.