that was my next question if only really gaming and browsing is it essential to get 12gbs of ram instead of 8?
Y need to use 1 same RAM. Or it will not work in dual channel, but in single one.
Its not good to mix different RAM : )
U should have 8GB or 16GB. 8GB is fine for games, as they don't take advantage of more RAM yet.
16GB is great for video and other editing. Or RAM disc use.