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That is incorrect. All USB ports are powered, it's just the amount of power available varies. The USB spec says all ports must provide 5V. The second part of yo
by NateLawson 17y ago
That is incorrect. All USB ports are powered, it's just the amount of power available varies. The USB spec says all ports must provide 5V. The second part of your comment is correct.
- makecheck 17y agoMy mistake. There are USB hubs that are classified as "powered" or "unpowered", but I guess in the unpowered case it's relying on the computer's supply.