3.0GHz 6-core Intel Core i5 (Turbo Boost up to 4.1GHz) / 8GB of 2666MHz DDR4 memory / 1 TB SSD / Radeon Pro 560X with 4GB of GDDR5 memory / 21.5-inch (diagonal) Retina 4K display, 4096x2304 resolution with support for one billion colors, 500 nits brightness, Wide color ..