Get a USB 3.0 add-on card like this.http://www.newegg.com/Product/Product.aspx?Item=N82E16815256004
And plug in USB 3.0 capable devices into that add-on card to utilize the faster transfer speeds.
^ Yep that is the best way to do it without changing the motherboard. I have one running on my intel rig since it did not come with USB3 and it does work great. It just need a PCI-E single lane but will work in any from one to 16 what ever you have open.