2016年4月12日 · SuperSpeed – bus, system, etc. that supports Gen 1; SuperSpeedPlus – bus, system, etc. that supports greater than Gen 1 speeds; Enhanced SuperSpeed – Gen 1 and above speeds; What’s new in USB 3.1. There are changes in every layer of USB 3.1. Physical layer. Cables and connectors have been improved to cope with the 10Gbit/s data rates of ...