Microsoft Surface Book 3 Internet Network LAN RJ45 Adapter
Connects Modem or router with USB port to RJ45 socket. This USB 10/100 Ethernet Adapter for Microsoft Surface Book 3 is the easiest solution for connecting your Microsoft Surface Book 3 to a broadband Internet modem, or building a 10/100 Base-T Ethernet network. This simple solution adds an RJ45 Ethernet port to your Microsoft Surface Book 3.