S+RJ10: RJ45 SFP+ 10/100/1000M/2.5G/5G/10G copper module
6-speed RJ-45 module for up to 10 Gbps for Copper 10 Gig Ethernet to SFP cage
This unique module opens up a whole world of high speed connectivity possibilities, offering up to 10 Gbps speeds over regular familiar twisted-pair cables in your existing products that have SFP+ ports. Any MikroTik device that has SFP+ ports can now be used without installing any optical fiber, just plug the S+RJ10 and your network can be upgraded to 10 Gbps, making it ready for the next generation of RJ45 hardware.
SFP Module Data Sheet