Speed

USB 3.0
USB 3.1 Gen 1
USB 3.2 Gen 1

5Gbps

USB 3.2 Gen 1×2
USB 3.2 Gen 2×1

10Gbps

USB 3.2 Gen 2×2

20Gbps (doubles the data lanes within the cable, may well get dropped in favour of USB 4)

Thunderbolt 3 via USB-C
Thunderbolt 4 via USB-C

40Gbps

Connectors

USB 3.0
USB 3.1 Gen 1
USB 3.2 Gen 1

USB Type-A or Type-C

USB 3.2 Gen 1×2

USB Type-C

USB 3.2 Gen 2×1

USB Type-A or Type-C

USB 3.2 Gen 2×2

USB Type-C

Thunderbolt 3 via USB-C
Thunderbolt 4 via USB-C

USB Type-C

Pinouts

USB 3 Type A

https://en.wikipedia.org/wiki/USB_3.0#Pinouts

USB-C

https://en.wikipedia.org/wiki/USB-C#USB_Type-C_Cable_and_Connector_Specification

USEFUL?
We benefit hugely from resources on the web so we decided we should try and give back some of our knowledge and resources to the community by opening up many of our company’s internal notes and libraries through mini sites like this. We hope you find the site helpful.
Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.

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