If you bought the following: Plugable PCI Express to SuperSpeed USB 3.0 2-Port Expansion Card (NEC/Renesas Chipset) from a third party company like Meritline.com and others but were given a driver that didn’t work, you may try the following driver below:

• USB 3.0 Driver

Hopefully this works and will keep you from pulling your hair out.

If you would like to purchase the card from a reputable company and pay only a few dollars more (around $3 more) I recommended purchasing your card here:

Plugable PCI Express to SuperSpeed USB 3.0 2-Port Expansion Card (NEC/Renesas Chipset) at Amazon.com.