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What happens if you plug a USB 2.0 into a USB 3.0 port?

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What happens if you plug a USB 2.0 into a USB 3.0 port?

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USB 3.0 is also backward-compatible with USB 2.0, so you can plug a USB 2.0 peripheral into a USB 3.0 port and it will function properly. ... USB 3.0's increased power output of 900 milliamps is enough to power multiple devices, and more than enough to power any single device.

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