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Some basic info about USB
(lemmy.world)
This is a most excellent place for technology news and articles.
TL;DR: The USB Implementers Forum is ridiculously bad at naming, symbols and communication in general. (And they don't seriously enforce any of this anyway, so don't even bother learning it.)
This is the correct answer; after the whole USB 3.2 Gen 2 2x2 (hands of blue) bullshit, I wouldn’t trust that team to name a park bench in the middle of the desert. Let alone something important and universally used.
If you're not trying to wire your own USB port you can just use the recommended names "USB SuperSpeed 20 Gbps" or "USB 20 Gbps". You don't have to be confused by technical names if you don't want to be.
The real bullshit is between your ears--you and only you can fix it.