SFP28
SFP28 is a development of the SFP+ for use at bitrates at 25Gbps, for example 25 Gigabit Ethernet. It has the same form factor, but the transceiver is relatively new and have not been introduced by many suppliers yet. Hence the selection is limited but are expected to increase with the 5G development.
Product selector/filter
The fields for product selector/filter have now been moved up to the left. Tick the desired criteria to narrow down the selection. In the end, you will be left with the transceiver(s) best suited to your needs.