Not a bad choice at all if the U3 does what it says. :D  tell me about it as soon as you test. :D

I'm inclined to just give you this recommendation.   http://www.amazon.com/Xonar-DGX-PCI-E-GX2-5-Engine/dp/B007TMZ1BK/ref=sr_1_1?s=electronics&ie=UTF8&qid=1400197044&sr=1-1&keywords=ASUS+XONAR+DG+pcie   However you could tell us a little more about your PC specs, and we could take a look at...