USB 2 question

USB 2 question

I have a 4,1 that thinks it's a 5,1. trying to install Sonoma and saw the warning about USB 1. I have a USB 3 card in it, but Facebook is telling me I need to have a USB 2 hub plugged in. responses are very sporadic and vague tho. Why is this so much better than a built in card? And is it just for installation or do I need to keep my keyboard plugged into the 2.0 dongle at all times?

https://preview.redd.it/1got79o11gce1.jpg?width=439&format=pjpg&auto=webp&s=9de679b9747468529cb2f851398273eaea428944

submitted by /u/actuallifethings
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