Non wireless routers are good for building your own home network. Weather you want a more reliable network for your home or to build a network infrastructure for server systems a non wireless router has advantages over an all in one "wireless router".
With a non wireless router you can plug in switches, wireless access points, and computers directly. It seems when each device has its own "job" to remain dedicated to, a network just operates better. Make your non wireless network wireless by adding a wireless access point.
The following routers are just routers. That's it.