The Apple MacBook Air "Core i5" 1.7 11" (Mid-2012/USB 3.0) features a 22-nm "Ivy Bridge" 1.7 GHz Intel "Core i5" processor (3317U) with two independent processor "cores" on a single chip, a 3 MB shared level 3 cache, 4 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded after purchase), 64 GB of flash storage, and an "integrated" Intel HD Graphics 4000 graphics processor that shares system memory. Features:
Processor: Intel Dual-Core i5-3317U 1.7GHz (Turbo up to 2.6GHz) 3MB Cache