The old Apple Lightning Display was a nice everything-dock.
It has exactly what you want: hook it up with USB-C, and on the back it has ethernet, three USB-A, audio in and audio out. Fantastic thing. Resolution is 2560x1440. http://images.philips.com/is/image/PhilipsConsumer/258B6QUEB...
The old Apple Lightning Display was a nice everything-dock.