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Re:Why do USB-C hubs still have USB 2.0 ports? (2021) by Dylan16807 on Tuesday May 10, 2022 @10:32PM (#31335217)
Those are only for dumb power supplies using resistors to signal max amount. Negotiated power is very granular.

> additionally, people are complaining about not being able to tell cables apart. can they tell the power requirements and calculate how much power a combination of devices requires?

If they don't know device power levels they can just learn what can simultaneously go on a single port when they try, like with USB 2.

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