27 inch iMac with Retina 5k Display 2019 3.7GHz i5 1TB SSD 8GB RAM | Refurbished | Techable
Apple iMac 21.5" (Mid 2017) with Intel i5, 8GB RAM, 256GB SSD, Iris Plus Graphics 640, Mac OS Sierra - Silver | P.C. Richard & Son
Amazon.com: OWC 16GB (2 x 8GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with 27" iMac w/Retina 5K (Mid 2017), Mac Mini (Late 2018), and Compatible PCs (OWC2400DDR4S16P) : Everything Else
Restored Apple iMac 21.5" Thin Desktop Computer Intel Core i5 2.7GHz 8GB RAM 1TB HD Mac OS Sierra MD093LL/A with USB Keyboard and Bluetooth Mouse- (Refurbished) - Walmart.com
8GB Memory Upgrade for MacBook Pro, iMac, and Mac mini