Apple 2019 iMac with Retina 4K Display (21.5-inch, 16GB RAM, 256GB SSD Storage)- Silver (Renewed)

16GB Ram | 256GB SSD
21.5" 4096x2304 LED-backlit 16:9 widescreen
Radeon Pro 555X graphics processor
Core i3 3.6 GHz

The iMac "Core i3" 3.6 21.5-Inch Aluminum (Retina 4K. 2019/Coffee Lake) features a 14-nm "Coffee Lake" 3.6 GHz Intel "Core i3" processor (I3-8100) with four independent processor "cores" on a single chip. a 6 MB shared level 3 cache. 16GB of 2400 MHz DDR4 SDRAM that is reportedly "built into the computer" -- but it actually can be upgraded later. it is just needlessly difficult - a 256GB. and a Radeon Pro 555X graphics processor with 2 GB of dedicated GDDR5 video memory. It also has a built-in "FaceTime HD" webcam and stereo speakers.