The MacBook Air "Core i5" 1.6 13" (Mid-2011)  is powered by a 32-nm "Sandy Bridge" 1.6 GHz Intel "Core i5" processor (2467M) with two independent processor "cores" on a single chip and a 3 MB shared level 3 cache. It is configured with 2 GB of onboard 1333 MHz DDR3 SDRAM, 64 GB of flash storage, and an Intel HD Graphics 3000 graphics processor with 256 MB of DDR3 SDRAM shared with system memory.

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

Connectivity includes 802.11a/b/g/n Wi-Fi, Bluetooth 4.0, dual USB 2.0 ports and analog audio out as well as an SDXC card slot and a "Thunderbolt" port that is backwards compatible with Mini DisplayPort and likewise supports an external display at 2560x1600 and passes an audio signal as well. 

 

This system fully supports the last version of OS X 10.8 "Mountain Lion," OS X 10.9 "Mavericks," and OS X 10.10 "Yosemite" as well as OS X 10.11 "El Capitan," but advanced feature support is limited to Mac-to-Mac AirDrop, AirPlay Mirroring, and Power Nap. Other major features are not supported. It is capable of running macOS Sierra (10.12) as well, although it does not support the Universal Clipboard, Auto Unlock, or Apple Pay features. Finally, this model is capable of running macOS High Sierra (10.13), and it supports HEVC (High-Efficiency Video Coding), but it does not support hardware accelerated HEVC. It is not compatible with macOS Mojave (10.14) or later versions of the operating system.