The lowest power option depends on what you attach. With a poe injector you can use a dumb switch and a poe injector as an external device.
The poe injector has usually 3 connections: power and 2 ethernet jacks. One ethernet neck is for plain ethernet the other one has added poe. It loops through the data but adds power to one of the ports.
To determine the lowest power option or is useful to know your minimum specs. How many ports do you need in total? Do you need smart capabilities? Do you need or want morn than one poe port?
Precious metals may be limited but their worth is still determined by the buyer and if I don’t want or need precious metals for my goods it’s worth nothing. They have very little inherent value.
