some people are real mean but others are pretty cool, I had no idea there was actually a 3.5", cool. I never actually looked up what its like inside an SSD so I did : http://www.tweaktown.com/articles/6554/phison-s10-quad-core-performance-ssd-controller-preview/index3.html looks fairly filled up...about 3/4 way, its new but I didnt see any smaller PCBs in a quick google search "inside an SDD" i have 3.5 bays empty and dont care much for hiding drives...I have empty 5.25s too ( really dont care where it goes if I can get hugh capacity, speed and cheap). My argument is based on the idea that the older less dense chips would be cheaper but if not then I guess whatever. if it is cheaper and easier to make chips memory chips more dense the only other thing I can ask is does it have with the same reliability?