500GB is too much for a single USB port to power. You are looking at a limit of 80 to 120GB for a single port. Any larger and you will have to use the special USB cable which taps power from a 2nd USB port to power the HDD drive.
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500GB is too much for a single USB port to power. You are looking at a limit of 80 to 120GB for a single port. Any larger and you will have to use the special USB cable which taps power from a 2nd USB port to power the HDD drive.