My teacher is having problems with his desktops hard drive, and wants to replace it. I'm not sure if any hard drive would work in it, or if it needs a specific replacement. Here is the desktop he has http://www.pcliquidations.com/p15543-dell-vostro-220-tower?utm_source=google&utm_medium=cse&utm_term=15543&r160164167166161&gclid=CPSxt-ij79ICFckmhgodVs4D7Q