Plugable Announces Its First Thunderbolt 4 Hub And Cables For Blisteringly Fast Connections Plugable makes a great range of hubs and other computer accessories. The brand new TBT4-HUB3C is the first Thunderbolt 4 hubs of its kind and offers speeds up to 40 Gbps as well as driving two 4K monitors, delivering 60W of power and an Ethernet connection.