If you really need to have that many devices (by the sounds of it) the logical way to go is:
UC300ETH-5LPT
UB1
UD1-U
A couple female IDC26 just in case.

Basically the UC300ETH-Max:
https://www.cncroom.com/interface-ca...9j425b01n32q35

The way you are describing it sounds iffy. For a start an ethernet switch is just that, a device that switches between devices according to priority.
There's your first bottleneck.