I have all 2.5gbit at home with some 10gbit SFP copper connections, it wasn't particularly difficult. The devices with built-in Ethernet ports are all gigabit of course, but the ones with USB-C ports have 2.5gbit adapters.
I could go to 10gbit but the Thunderbolt adapters for those all have fans.
I could go to 10gbit but the Thunderbolt adapters for those all have fans.