Macbook 12 inch 11ghz dual core intel core m3 256gb space gray overview type macbook operating system os x el capitan specification processor intel core m processor dual core 11 ghz 24 ghz with turbo boost memory ram 8 gb storage 256 gb ssd screen touchscreen no screen size 12 screen type led resolution 2304 x 1440 connectivty wireless 80211 ac ethernet no bluetooth bluetooth 40