The new MacBook Air is thin, light, durable. It is quicker and more responsive than ever. This version of the MacBook Air, model MD760LL/A, has a 13.3-inch high-resolution display, 1.3 GHz Intel Core i5 dual-core processor (with a Turbo Boost of up to 2.6 GHz), 128 GB of flash memory storage, and 4 GB of RAM. You get up to 12 hours battery life on this 13.3-inch model. This model has up to 45 percent faster flash storage compared to the previous generation and new 802.11ac Wi-Fi for up to 3x faster wireless.