21.5-inch (diagonal) 4096-by-2304 Retina 4K display
Eighth-generation 6-core 3.0GHz Intel Core i5 processor
AMD Radeon Pro 555X or 560X graphics
Ultrafast 256GB SSD storage
Two Thunderbolt 3 (USB-C) ports
Gigabit Ethernet port
FaceTime HD camera
802.11ac Wi-Fi and Bluetooth 4.2
Magic Mouse 2
Magic Keyboard