I'm keeping an eye out for this: a tiny stick PC that can run from a PoE switch.

[TonyR]

We shall see.....too often the hype outdoes the promoted product:

Forget your power plug, this tiny stick PC can run from an unexpected power source — a standard Ethernet cable connected to a PoE switch

Minisforum S100-N100 is a mini PC powered by PoE

www.techradar.com