The Apple MacBook Air "Core i5" 1.6 11-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, 8 GB of onboard 1600 MHz LPDDR3 SDRAM, 128 GB of 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), 2.3 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 (1366x768 native resolution).
Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.0, analog audio out, a single "Thunderbolt" 2 port, and two USB 3.0 ports.
This system fully supports the last version of OS X 10.10 "Yosemite" as well as OS X 10.11 "El Capitan." It fully supports the last version of macOS Sierra (10.12) and macOS High Sierra (10.13), also. Running macOS High Sierra (10.13) or later, it supports HEVC (High-Efficiency Video Coding), but it does not support hardware accelerated HEVC.
This model is compatible with the final version of macOS Mojave (10.14), the final version of macOS Catalina (10.15), and the final version of macOS Big Sur (macOS 11), as well. It additionally the final version of macOS Monterey (macOS 12), but it does not support Universal Control, AirPlay to Mac or Low Power Mode in addition to the more minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features. It does not support macOS Ventura (macOS 13) or later.