4 USB ports on MacPro - solution

My new MacPro only has 4 ports USB, I maxed out with devices that can not connect through hub (Powered). I am looking for a way to run these specific devices via a USB hub, or some other means to directly reduce the connection of devices to 4 or less.

It doesn't seem to be a USB adapter Thunderbolt (I used Firewire adapters Thunderbolt on old disks hard ext)

-J' I always use a 30 "cinema display from Apple that I must connect to a USB port and a Thunderbolt port on the computer. But maybe he can join this USB plug through a powered hub?

-Wacom insists that their tablets to connect directly to the computer (not even a powered hub will do)

-J' have several external USB (only) G-disks (same model) one of these drives to malfunction if connected via the hub. It only works when directly connected to the computer.

-J' uses an external drive of the SS for Photoshop & Scratch video disc (and iTunes library). I am told that this should not go through hub.

I buy a special powered USB hub which has 3 ports to load. But wacom advises against the use of this. Not sure about the movie screen.

I know this is a fairly custom scenario, but none of my sources tech can offer solutions. Thank you for your helpful suggestions.

You can get a dock Thunderbolt like that.

http://eShop.MacSales.com/shop/Thunderbolt/dock/OWC/Thunderbolt2-dock/

It has three USB ports and other ports

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