I you get a USB 3.0 powered hub with an auxiliary 5v power adapter port, it might be sufficient, like this one:
http://www.amazon.com/Powered-Portable-MacBook-Windows-Guarantee/dp/B00JWPHOBM/ref=sr_1_5?ie=UTF8&qid=1415745971&sr=8-5&keywords=powered usb 3,0 hub with power port
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