Yup, that's how I started to upgrade my machine, first I had only 2GB of ram, then got 4GB, then finally 6GB and I got a SSD inside (if you plan on a buying a new SSD, don't buy a OCZ, they are pure crap, I had 3 of them die on me, now I got a Samsung Pro 840 and hope it will last more than 6-8...