After I got my Mac notebook last year, I knew that in only a few months, I would have to upgrade my memory as I am aware that newer and faster memory modules are coming out at least every 2 to 3 months. The current Mac memory my notebook has is only 1 GB and I knew that there were already 4 and 8 GB ones available in Apple memory , hence my capacity was actually outdated already. Since I decided to upgrade already, I had to search for the best deals in memory modules for mac and such. I w