Hello!
Thanks for asking! I’d be happy to assist.
The list is an inventory and not representative of port to controller mapping. Due to how the Intel Titan Ridge Thunderbolt 3 reference design is configured, all USB traffic is routed through the same USB 3.2 Gen 2 10Gbps hub chipset in the dock. So bandwidth is shared for all external USB ports and for internal USB devices (Ethernet, audio, card reader).
Computer --> Dock Thunderbolt 3 chipset --> Dock USB 3.2 Gen 2 hub (x1) --> Dock USB 3.0 hubs (x2)
So there’s a total of 1250MBps (10Gbps) of USB bandwidth on paper (not accounting for any overhead).
Please don’t hesitate to let us know of other questions.
Thanks again for contacting Plugable support and best wishes!
Joshua Henry
Senior Engineer | Product Owner
Plugable Technologies