Specs:
2.2 GHz Quad-Core Intel Core i7 Processor (Turbo Boost up to 3.4 GHz, 6 MB shared L3 cache)
16 GB 1600 MHz DDR3L RAM; 256 GB PCIe-based Flash Storage
15.4-inch IPS Retina Display, 2880-by-1800 resolution
Intel Iris Pro Graphics
OS X El Captitan, Up to 8 Hours of Battery Life...