27" Retina 5K 5120 x 2880 IPS, Intel Core i7 4 GHz, 16GB DDR3 1867MHz, 2TB Fusion Drive, AMD Radeon R9 M395X 4GB GDDR5, WLAN, Bluetooth, FaceTime HD, Mac OS X 10.11 El Capitan
Apple iMac , 68.6 cm (27"), 5K Ultra HD, DDR3-SDRAM, 2 TB
Apple iMac . Display diagonal: 68.6 cm (27"), HD type: 5K Ultra HD, Display resolution: 5120 x 2880 pixels, Screen shape: Flat, Panel type: IPS. Internal memory type: DDR3-SDRAM. Total storage capacity: 2 TB, Storage media: Fusion Drive