We seem to have recently switched from 10GbaseT to SFP but with reasonably cheap 10GBaseT adaptors, https://www.servethehome.com/sfp-to-10gbase-t-adapter-module

We seem to have recently switched from 10GbaseT to SFP but with reasonably cheap 10GBaseT adaptors, https://www.servethehome.com/sfp-to-10gbase-t-adapter-module-buyers-guide/ https://www.servethehome.com/sfp-to-10gbase-t-adapter-module... with cheaper switches and more widely available cards. Even motherboards have switched to sfp, but you dont have to use fibre. DAC is another cheap option for short distances with SFP.