The motherboard I bought back in 2015 has USB 3.1, yet I still don't have a single device that would use it. I don't t know if this is just me, or the adoption is somehow much slower than expected.

Once upon a time, the USB spec was one thing, usually a USB 2 A to B cable that was simple to use and couldn't be messed up. I understand why different ports are used, but they have to rework them ALL ...