USB 3.0 alias USB 3.1 Gen 1 with 5 Gbit / s becomes USB 3.2 Gen 1,

USB 3.1 Gen 2 with 10 Gbit / s becomes USB 3.2 Gen2

USB 3.2 with 20 Gbit / s becomes USB 3.2 Gen 2x2. 2x2

origin via techn. designation marketing
USB 3.2 USB 3.2 Gen 2x2 SuperSpeed ​​USB 20Gbps
USB 3.1 USB 3.1 Gen 2 USB 3.2 Gen 2 SuperSpeed ​​USB 10Gbps
USB 3.0 USB 3.1 Gen 1 USB 3.2 Gen 1 SuperSpeed ​​USB

https://www.anandtech.com/show/14027/usb-32-at-20-gbs-coming-to-highend-desktops-this-year

encore des noms de merde grrrrr !