As I discovered with my 7-port, 60W charging hub from Plugable -- pop it open and look at how the power is distributed.
On the Plugable, it takes 12vdc in and has 3 buck regulators taking that down to 5v for the USB plugs. That said... 1 regulator feeds ports 1 & 2, the 2nd regulator feeds ports 3 & 4, the 3rd feeds ports 5-7. See where this is going?
Given that you can only use 3 ports, do you still need 60W or is the 25W unit acceptable. I would be using the Pluggable 7 port hub to run a couple 2PAC sticks and I can order 2 Pluggable 25W units for the price of the 60W unit.
CreativeReef