Apple iMac (" Retina 4K display: quad-core Intel Core i5, 8GB RAM, 1TB Fusion Drive).
-inch (diagonal) 4096-by-2304 Retina 4K display
Stunning 5-mm-thin design
Seventh-generation dual-core Intel Core i5 processor
Radeon Pro 555 or 560 graphics processor with up to 4GB video memory
Two Thunderbolt 3 (USB-C) ports
Wi-Fi
Magic Mouse 2 and Magic Keyboard.