I run the UR816C with a 2 meter long 3.1 USB cable, into a normal A-blue 3.0 port on an older PC, no problems, and according the USB driver control app I have the 3.1 speed.
I run the UR816C with a 2 meter long 3.1 USB cable, into a normal A-blue 3.0 port on an older PC, no problems, and according the USB driver control app I have the 3.1 speed.