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It does, but it's not a requirement for all devices so you may or may not need a hub to provide power back to the laptop depending on the device. https://en.wi
by azdle 12y ago
It does, but it's not a requirement for all devices so you may or may not need a hub to provide power back to the laptop depending on the device.
https://en.wikipedia.org/wiki/USB#USB_Power_Delivery https://en.wikipedia.org/wiki/USB#USB_Power_Delivery