USB 4 specification released. (Highlights: uses USB-C connectors, based on Thunderbolt 3/USB 3.1, backward-compatible with all previous USB specs, carries up to 40Gbps on suitable cables.) https://www.usb.org/sites/default/files/2019-09/USB-IF_USB4%20spec%20announcement_FINAL.pdf …
So how long before we see it in the market? Considering it is backwards compatible, the manufacturers shouldn't have problems producing large quantities. This seems like change from 100mb network connection to 1GB network connection.