1.1 GHz Dual-Core Intel Core M3 Processor (Turbo Boost up to 2.2 GHz) with 4 MB shared L3 cache. OS Mac OS X 10.11 El Capitan8 GB of 1866 MHz LPDDR3 RAM; 256 GB PCIe-based onboard flash storage12-Inch IPS LED-backlit Display; 2304-by-1440 ResolutionUSB-C port with support for: Charging,USB 3.1 Gen 1 (up to 5 Gbps), Native DisplayPort 1.2 video output, VGA output using USB-C VGA Multiport Adapter (sold separately), HDMI video output using USB-C Digital AV Multiport Adapter (sold separately)Intel HD Graphics 515
