15.4-inch (diagonal) LED-backlit (retina) display; 2880-by-1800 native resolution at 220 pixels per inch with support for millions of colors
2.8 GHz Intel Core i7 processor
256 GB SSD drive
16GB of RAM
802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible
Bluetooth 4.2 wireless
720p FaceTime HD camera
Stereo speakers plus headphone jack
Four Thunderbolt 3 (USB-C) ports -- support Charging, DisplayPort video, and USB 3.1