This feature allows the router to host a cellular USB modem and share the mobile Internet with the entire network. With that, some new Wi-Fi routers don’t offer the print serving feature anymore, though many still do. Nowadays, those with a built-in network port or Wi-Fi are commonplace. There’s no need to buy a printer for each person anymore.įive or six years ago, this feature was a big deal since printers at the time were mostly USB-only. Connect a USB printer to this port, and it’s now available to the entire network. Print serving is the original function of a router USB port. Not every Wi-Fi router has a USB port, but if yours happens to have one, chances are you can use it for (at least one of) the following: Host that (old) printer What’s the use of a Wi-Fi router USB port? Best USB-enabled routers that can work as a NAS server.Accessing your NAS server on a Windows computer.How to access your router-based NAS server.How to best turn a Wi-Fi router USB port into a NAS server.What’s the use of a Wi-Fi router USB port?.