USB.3.0 Pcmcia Card Recommendation

[Emrah]

As you know most of our customers are using notebook with USB 2.0 port. They ask us about how to add usb 3.0 connetion to their notebooks.
Can PCMCIA cards be a solution for this problem.
Did someone use USB.3.0 Pcmcia Card with eye tribe ?

We should solve this problem with cheapest way