SFP28 optical module and SFP/SFP+

Jerry Renwick

Active Member
Aug 7, 2014
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SFP28 is the same from factor as SFP+. SFP+ module is designed to work up to 10G per lane, it can't support 25G. But whether SFP28 can fit into SFP+ cage and transmit 10G, it depends on the switch.