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Do I need a powered USB 3.0 hub?

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Do I need a powered USB 3.0 hub?

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Most USB hubs can just draw current from the computer itself. Keep in mind that a computer's USB 2.0 port can normally supply only 5V @ 500mA so if you try to draw more current than that you will probably need the power supply even if your hub is USB 3.0 .Feb 22, 2017

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