This model has a 21.5" 4096x2304 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 4K" display (that runs "pixel doubled" to look like 2048x1152). The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
2017 Apple iMac 21.5-Inch 4K Retina
SKU: 36523641234523
$0.00Price
Processor: 3 GHz Intel Quad Core i5 7th Gen
RAM: 8 GB, 16GB or, 32GB
SSD Capacity: 500 GB SSD or 1 TB SSD
GPU: AMD Radeon Pro 550 4GB
Operating System: Mac OS 10.17, Monterey
Screen size (inches): 21.5
Resolution: 4096 x 2304
Screen type: IPS
Network: WiFi
Bluetooth: Yes
Webcam: Yes
Microphone: Yes
4K screen: Yes
Ethernet: Yes
Wifi: Yes
Manufacturer Ref.: MNDY2LL/A
Release Year: 2017
Retina: Yes
Weight: 200 oz