The Satechi 2-in-1 USB 3.0 Aluminum 3 Port Hub and Ethernet Port not only adds 3 USB 3.0 ports to your laptop or desktop, but also allows you to connect your device directly to your network via USB port. Designed to match Macs, iMacs, and MacBooks, its metallic silver finish complements Apple computers. Computers limited to 10/100Mbps Ethernet will experience faster transfers when plugged into a Gigabit Ethernet network using this Ethernet adapter. This Ethernet Adapter supports 10/100/1000Mbps for high-speed connectivity, important for file sharing, downloads, streaming, web videos, & more.Use this Ethernet adapter to participate on multiple networks, replace damaged Ethernet ports, add a physical network connection to wireless-only systems, & replace network cards. This Ethernet adapter is not intended for use in connecting USB devices like a printer to a network.