Some people claim USB version numbering is for developers not for consumers who need to know if products are supported at the highest bandwidths and to prevent being ripped off under confusing version numbering.

Tripp Lite by Eaton has an excellent USB Connectivity Types Standards article with a table of the USB Standards:

USB Cable Types, Standards and Speeds from Tripp Lite by Eaton

MaX offers a solution:

USB 1

1998 USB 1.1 @ 12 Mbps

USB 2

2000 USB 2.0 @ 480 Mbps

USB 3

2008 USB 3.0 / USB 3.1 Gen 1 SuperSpeed @ 5 Gbps

USB 3.1

2013 USB 3.1 / USB 3.1 Gen 2 SuperSpeed+ @ 10 Gbps

USB 3.2

2017 USB 3.2 SuperSpeed @ 20 Gbps

USB 4

2019 - USB 4 Gen 3x2 @ 40 Gbps

USB 4.1

2022 - USB 4 2.0 @ 80 Gbps