MacBook Air 2015 - 13" MacBook

Summary

MacBook Air "Core i5" 1.6 13" (Early 2015)

The Apple MacBook Air "Core i5" 1.6 13-Inch (Early 2015/Broadwell) features a 14-nm "Broadwell ULT" 1.6 GHz Intel "Core i5" processor (5250U) with two independent processor "cores" on a single chip, a 3 MB shared level 3 cache, 4 GB or 8 GB of onboard 1600 MHz LPDDR3 SDRAM (4 GB of RAM originally with the option to upgrade to 8 GB at the time of purchase only, and 8 GB standard starting April 19, 2016), 128 GB or 256 GB of 4 Lane PCIe-based flash storage, and an "integrated" Intel HD Graphics 6000 graphics processor that shares system memory.

This all is packed in a razor thin 0.11-0.68 inch), 2.96 pound, aluminum case with an integrated 720p "FaceTime HD" webcam, a backlit full-size keyboard and a 13.3" widescreen TFT LED backlit active-matrix "glossy" display (1440x900 native resolution).

Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.0, analog audio out, a single "Thunderbolt" 2 port, two USB 3.0 ports, and an SDXC-capable SD card slot.

Compared to its predecessor, this model looks effectively identical, but has a more advanced processor and architecture, more advanced graphics, "twice as fast" 4x PCIe storage and Thunderbolt 2 support. It has some different identifiers, too." -(everymac.com)