Display Retina display 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 native resolution at 220 pixels per inch with support for millions of colors Supported scaled resolutions: 1920 by 1200 1680 by 1050 1280 by 800 1024 by 640 500 nits brightness Wide color (P3) Processor 2.9GHz 2.9GHz quad-core Intel Core i7, Turbo Boost up to 3.9GHz, with 8MB shared L3 cache Configurable to 3.1GHz quad-core Intel Core i7, Turbo Boost up to 4.1GHz, with 8MB shared L3 cache Storage1 500GB NVME SSD Memory 16GB of 2133MHz LPDDR3 onboard memory Graphics 2.9GHz Radeon Pro 560 with 4GB of GDDR5 memory and automatic graphics switching Intel HD Graphics 630 Charging and Expansion 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) Keyboard and Trackpad Full-size backlit keyboard with: 64 (U.S.) or 65 (ISO) keys including 4 arrow keys Touch Bar with integrated Touch ID sensor Ambient light sensor Force Touch trackpad for precise cursor control and pressure-sensing capabilities; enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures Wireless Wi-Fi 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Bluetooth Bluetooth 4.2 wireless technology Camera 720p FaceTime HD camera Video Support Simultaneously supports full native resolution on the built-in display at millions of colors and: Up to two displays with 5120-by-2880 resolution at 60Hz at over a billion colors Up to four displays with 4096-by-2304 resolution at 60Hz at millions of colors Up to four displays with 3840-by-2160 resolution at 60Hz at over a billion colors Thunderbolt 3 digital video output Native DisplayPort output over USB‑C VGA, HDMI, and Thunderbolt 2 output supported using adapters (sold separately) Audio Stereo speakers with high dynamic range Three microphones 3.5 mm headphone jack |