I had to make my own box for it because I bought it without one. If you're only going to use it for PC, then I suggest following the DIY I made over here, if you know how to solder then even better. The only things you'll need to change from the DIY would be to get the female version of the DSub breakout board Amazon or, if you know how to solder, just pick up a couple of these:
RadioShack
Amazon
RadioShack
Amazon