• 13.3-inch (diagonal) LED-backlit Retina display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors • Intel Iris Graphics 550 • 2.9GHz dual-core Intel Core i5, Turbo Boost up to 3.3GHz, with 4MB shared L3 cache • 8GB of 2133MHz LPDDR3 onboard memory • 720p FaceTime HD camera • Stereo speakers with high dynamic range • Four Thunderbolt 3 (USB-C) ports • Built-in 49.2-watt-hour lithium-polymer battery