Originally released March 2019
21.5-inch (diagonal) Retina 4K display; 4096-by-2304 resolution with support for one billion colors
16GB of 2666MHz DDR4 memory
1TB Serial ATA Drive1
FaceTime HD camera
Radeon Pro 555X
Refurbished 21.5-inch iMac Retina 4K Display 1TB, 3.6GHz Quad-Core
