USB4 is already plenty fast, with its theoretical maximum speed of 40Gbps. Quite frankly, it is much faster than most consumers truly need. Most people are not even taking full advantage of current USB4 speeds. But rather than leave well enough alone, The USB Promoter Group has instead decided to push boundaries once again, this time with what it calls USB4 Version 2.0.
Key characteristics of the updated USB4 solution include up to 80Gbps operation, based on a new physical layer architecture, using existing 40 Gbps USB Type-C passive cables and newly-defined 80 Gbps USB Type-C active cables.
Specification defines delivering up to 80 Gbps over USB Type-C The USB Promoter Group today announced the pending release of the USB4 Version 2.0 specification, a major update to enable up to 80 Gbps
The USB Promoter Group has announced its long-awaiting release of the USB4 Version 2.0 which brings up to 80Gbps data transfer speeds. The specs will be updated for both USB Type-C and USB PD.