Not op, but presumably sfp+ drop cables if the devices have sfp+ interfaces, like: https://www.amazon.com/10Gtek-Mikrotik-10GBASE-CU-Passive-1-Meter/dp/B01M073

Not op, but presumably sfp+ drop cables if the devices have sfp+ interfaces, like: https://www.amazon.com/10Gtek-Mikrotik-10GBASE-CU-Passive-1-Meter/dp/B01M073OJU https://www.amazon.com/10Gtek-Mikrotik-10GBASE-CU-Passive-1-... https://www.amazon.com/10GBASE-SFP-10G-AOC-Ubiquiti-Supermicro-Mikrotik/dp/B07VDHS9VK?ref_=ast_sto_dp https://www.amazon.com/10GBASE-SFP-10G-AOC-Ubiquiti-Supermic... Would prob. make sense if you got cheap 10g network cards (second hand, maybe) with sfp+ interfaces? Other option might be a converter/adapter - but then you might be better off with a switch that has rj10 ports built in (and use cat6/7): https://www.servethehome.com/mikrotik-srj10-review-convert-sfp-to-10gbase-t-inexpensively/ https://www.servethehome.com/mikrotik-srj10-review-convert-s...