What are the differences between these network switches?

IkeaEraser

Commendable
Nov 21, 2016
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I'm looking to buy a network switch, but they all seem the same to me, yet is within $20 of each other. Could someone tell me the difference between them?

Netgear ProSAFE Desktop Ethernet Switch (GS105UK) $53
Netgear ProSAFE Desktop Ethernet Switch (GS105E-200UKS) $65
Netgear ProSAFE Desktop Ethernet Switch (GS105E-100UKS) $43

Thanks a lot for the clarity. Why are Base T models more expensive?