So basically, they are attempting to redo the mess that is 3.x very cool. "When configured over a USB Type-C® connector interface, USB4 functionally replaces

So basically, they are attempting to redo the mess that is 3.x very cool. "When configured over a USB Type-C® connector interface, USB4 functionally replaces USB 3.2 while retaining USB 2.0 bus operating in parallel. Enhanced SuperSpeed USB, as defined in USB 3.2, remains the fundamental architecture for USB data transfer on a USB4 Fabric"