Yes, that's the same chip as the XCAPTURE-1/SC-5121-L DVI. And thus is a good suggestion to the person I responded to above as well.
Don't you need to deal with force installing the micomsoft driver because the startech one is ass?
http://shmups.system11.org/viewtopic.php?p=1097288#p1097288
I mean sure, you're saving a ton of money by just getting the Startech one, but you're gonna have to do this if you want it to perform at full versatility.