What is an sfp slot on a switch?

5-Port Gigabit Ethernet PoE+ Switch with SFP Port sfp slot switch 2 PORT ETHERNET + 8 PORT SFP This device provides 8 SFP slots and 2 RJ-45 ports that supports 101001000 Ethernet This product is also “all-fiber” capable sfp slot switch 28 port managed ethernet SGX288164M model is Layer 2+ “All Fiber” Switch that supports 8 combo ports of 101001000Base Copper or 1001G SFP Slots,

sfp slot Featuring four auto-sensing 101001000 Mbps RJ45 Gigabit Ethernet ports, this unmanaged switch offers plenty of performance for the devices in your network In