Operating System macOS Processor 3.0GHz 6‑core Intel Core i5 System Memory 8GB of 2666MHz DDR4 memory Storage 1TB Graphics Radeon Pro 560X with 4GB of GDDR5 memory Display Retina 4K display 21.5-inch (diagonal) Retina 4K display 4096-by-2304 resolution with support for one billion colors 500 nits brightness Wide color (P3) Wireless 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Weight 12.1 pounds (5.48 kg)
