To provide a summary of USB standards, including power management, physical connectors, and data management, and how these standards change from one version to another.
USB standards are implemented by the USB Implementers Forum (USB-IF) "founded by the companies that developed the USB standard and now want to sue and develop it." This corporation "develops and maintains the USB standards, including Wireless USB, and runs a compliance program to maintain the quality of USB products and ensure compatibility between devices."
The USB 4 has a max. data transfer speed is 40Gbps and is based on Thunderbolt 3 specification.
USB 3.2 Gen 2x2
The most recent USB version 3.2 Gen 2 was introduced in 2017.