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 or 128 GB of flash storage, and an “integrated” Intel HD Graphics 4000 graphics processor that shares system memory. This all is packed in a razor thin (0.11-0.68 inch), 2.3 pound, aluminum case with an integrated 720p “FaceTime HD” webcam, a backlit full-size keyboard and an 11.6″ widescreen TFT LED backlit active-matrix “glossy” display (1366×768 native resolution). Connectivity includes 802.11a/b/g/n Wi-Fi, Bluetooth 4.0, analog audio out, a “Thunderbolt” port, and two USB 3.0 ports.
11.6-inch LED-backlit glossy widescreen display with a 1366 x 768-pixel resolution; Intel HD Graphics 4000.
Processor: Intel Dual-Core i5-3317U 1.7GHz (Turbo up to 2.6GHz) 3MB Cache
64GB Flash Storage, 4GB of Onboard 1600MHz LPDDR3 RAM
802.11ac Wi-Fi, Bluetooth 4.0; Up to 9 Hours of Battery Life, OS X