________Device_Name____________________|   __Ports Total__|   __Ports Usable__|   __Power from AC__|   ___Price USD___|   __Price / Usable Port__|
Juiced Systems 10 port USB 3.0 10HUB-01              10                  10                          12V @ 4A                    $48 + ship                 $4.80+

I have 6 of these, all power 10 usb miners each no problem.
http://www.ebay.com/itm/200939376920
Buy them in volume and you will get large discounts in combined shipping. Shipping just 1 to me cost $15 but 6 cost $19.