[oritsnile]

The most interesting for is the USB 3.0 connection, on the hub. Didn't know the lanes are totally independent.

[nikau]

Yep - same for usb-c spec, there's always a usb-2 bus available.

This makes some cheap hubs actually quite good for office work, they use all four lanes for the display and can also do usb-2 and power delivery for around 20 bucks.