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  1.    #1  
    Are there any advantages/disadvantages to using a powered usb hub as compared to an unpowered hub? Why would a hub need to be plugged into an outlet?
  2. twitch3's Avatar
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    #2  
    Your USB ports on your PC are limited to a certain milliamp rating. If you use an unpowered hub, it's possible that you will overload your USB port. A powered hub is always a good idea.

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