The 21.5-inch iMac features a brilliant widescreen display, a powerful seventh-generation Intel Core processor and Intel Iris Plus Graphics, and ultrafast SSD storage. All in a stunningly thin enclosure that’s only 5 mm at the edge. 

Specification: 

2.3GHz dual-core 7th-generation Intel Core i5 processor

Turbo Boost up to 3.6GHz

8GB 2133MHz memory, configurable to 16GB

256GB SSD storage

Intel Iris Plus Graphics 640

Two Thunderbolt 3 ports

1920-by-1080 sRGB display

In the Box: 

iMac

Magic Mouse 2 

Magic Keyboard 

Power Cable