CPU - (2017/Broadwell) features a 14-nm "Broadwell ULT" 1.8 GHz Intel "Core i5" processor (5350U) with two independent processor "cores" on a single chip, a 3 MB shared level 3 cache
Ram - 8 GB of onboard 1600 MHz LPDDR3 SDRAM
SSD Storage - 128 GB
Video - "Integrated" Intel HD Graphics 6000 graphics processor that shares system memory.
V-Ram - The Intel HD Graphics 6000 processor reserves up to 1.5 GB of system memory for video function.
Case- Razor thin 0.11-0.68 inch), 2.96 pound, aluminum case
Camera - Integrated 720p "FaceTime HD" webcam
Keyboard - Backlit full-size keyboard
Screen - 13.3" widescreen TFT LED backlit active-matrix "glossy" display (1440x900 native resolution).
Second Display - Dual /Mirroring 2nd Max Resolution 3840X2160 (4K)
Battery -
Apple reports that this model can provide up to 12 hours of "wireless web" and up to 12 hours of "iTunes movie playback." Apple additionally reports that it provides "up to" 30 days of standby time.
Charger - Bundled with a 45W MagSafe 2 power adapter.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.