A:AnswerIt doesn't have one. Pretty sure the website has a substantial mistake on it seeing as that is an important feature for some people (like me, I work in dark environments). Called geek squad and the like but it seems that no one knows whats up with it. disappointing because it's a good Chromebook overall
A:AnswerI don't think so. From the reviews I have read, the memory is soldered into the board. The difference I have seen is better/larger/faster memory, screen resolution, etc