2.8 GHz Intel Core i7 Quad-Core 16GB of 2133 MHz RAM | 256GB SSD 15.4" 2880 x 1800 Retina Display AMD Radeon Pro 555 Graphics (2GB GGDR5) 802.11ac Wi-Fi | Bluetooth 4.2 Touch Bar | Touch ID Sensor 4 x Thunderbolt 3 (USB Type-C) Ports 3.5mm Headphone Jack | Stereo Speakers Force Touch Trackpad macOS Sierra