5 Useful Upgrades for Your PCs Unused Bays and a Few Ridiculous Ones

You've got, what, one DVD drive on the front of your computer? You have so many empty drive bays�how embarrassing! Here are a few awesome (and absurd) things you can put in those bays to add extra features to your computer.

Source:
http://lifehacker.com/5901572/five-useful-upgrades-for-your-computers-unused-bays-and-a-few-ridiculous-ones