The Belkin USB 10/100 Ethernet Adapter for PC computers is the easiest solution for connecting your laptop and/or desktop computers to a broadband Internet modem or building a 10/100 Base-T Ethernet network. Easy to install, the adapter plugs into any available USB port and lets you connect your PC to a cable or DSL modem, as well as share files and peripherals with computers that are connected to the network. This simple solution adds an RJ45 Ethernet port to your PC without opening the computer.