Amazon.com: Aumox 24 Port Gigabit PoE Switch, 28 Port PoE Switch Unmanaged 400W, with 2 x Uplink Gigabit Ports, 2 x 1G SFP Slots, Rackmount or Desktop, PoE Recovery, Plug and Play,VLAN,
TP-Link TL-SG105 5x Gigabit Desktop Switch - ANTIK e-shop
What is the role of the SFP port of a Gigabit switch? | by Kirk Lucero | Medium
1Gb Backbone vs 10Gb Backbone: Gigabit Switch or 10GbE Switch | by Sylvie Liu | Medium