What are SFP ports on a Gigabit switch and what are they used for?

change profiles on SFP slot I have a M4250 10G and I wanted to configure the second SFP slot to the NDI Profile I have for other ports At

The GS-1026 V2 is 24-port gigabit with 2 SFP slots rack-mount switch, that is designed for medium or large network environment to strengthen its network

slot demo aztec Buy HPE FlexNetwork 5520HI 24 SFP 4 10G1G BASE-X SFP+ 1 Exp slot 2 fan tray 2 PS switch and improve network performance

slot mc4 Designed with 24 x SFP ports and 4 x 10G SFP+ slots to suit a range of devices and network layouts Dlink