Display Retina display 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors Supported scaled resolutions: 1680 by 1050 1440 by 900 1024 by 640 500 nits brightness Wide color (P3) Processor 2.3GHz dual-core Intel Core i5, Turbo Boost up to 3.6GHz, with 64MB of eDRAM Configurable to 2.5GHz dual-core Intel Core i7, Turbo Boost up to 4.0GHz, with 64MB of eDRAM Storage 128GB 128GB SSD Configurable to 256GB, 512GB, or 1TB SSD Memory 8GB of 2133MHz LPDDR3 onboard memory Configurable to 16GB of memory Graphics Intel Iris Plus Graphics 640 Charging and Expansion Two Thunderbolt 3 (USB-C) ports with support for: Charging DisplayPort Thunderbolt (up to 40Gb/s) USB 3.1 Gen 2 (up to 10Gb/s)