“It says usb 2.0 connection. Does it use one (1) or two (2) usb ports? And does it require an external power source other than through the usb?”

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• The drive may get its power from the PC USB power. All systems may not meet USB power requirements and full performance may not be achieved. In this case, connect to the USB power cable. The drive will use 2 USB ports. A copy of the owner's manual can be found here: https://www.lg.com/us/support-product/lg-BP50NB40#manuals ^CP

  Answered by LG Digital Customer Care 7 years ago

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• It does not need an external power source but it does use 2 USB ports.

  Answered by Buddy 7 years ago

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• It needs two USB ports to perform all tasks but it does have limited function with only one USB.

  Answered by Jose 7 years ago

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• Uses one per and no other power source is needes

  Answered by karen 7 years ago

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