Macbook has been meticulously designed to get the most out of an incredibly thin and light enclosure. No fan is needed to cool the computer. It is built for virtually silent performance. Its processor runs on just 5 watts of power, which generates less heat and eliminates the need for a fan to cool the computer. Apple´s Macbook has an impressive capacity to store the files and run the applications you need every day. With up to 16GB of 1866MHz LPDDR3 onboard memory and up to 512GB of SSD storage, you get an amazingly thin and light notebook with snappy performance.