Exactly this, you can even look at the old consoles and see the same thing. They were built to a VERY specific margin and tuned for the same. There is as best I

Exactly this, you can even look at the old consoles and see the same thing. They were built to a VERY specific margin and tuned for the same. There is as best I can tell no fat in any of the systems shipped except newer consoles and the original xbox. The only reason I'd say there is 'fat' in newer consoles is because they have much wider requirements than old ones do.