Touch Bar Retina display 13.3-inch 2.9GHz dual-core Intel Core i5, Turbo Boost up to 3.3GHz, with 4MB shared L3 cache Storage 512GB SSD Memory 8GB of 2133MHz memory Intel Iris Graphics 550 Come with windows and ios both Four Thunderbolt 3 (USB-C) ports with support for: Charging DisplayPort Thunderbolt (up to 40 Gbps) USB 3.1 Gen 2 (up to 10 Gbps) Charger 61W USB-C Power Adapter