Now you can connect to any 10Mbps, 100Mbps, or 10/100Mbps 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 a USB-enabled desktop or notebook PC running any version of Windows that supports USB. The Plug-and-Play compatible device attaches to your PCs or hubs 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 Adapters RJ-45 port, install the included network software drivers, and you are networked.