iMac Guide: The Ultimate Guide to iMac and macOS: Rudderham, Tom: 9781983159428: Amazon.com: Books
Apple iMac MK462LL/A 27-inch Desktop 5K Display 16GB Ram | 1TB Hard Drive (Renewed)
Amazon.com: Satechi Aluminum Type-C Clamp Hub Pro with USB-C Data Port, USB-A 3.0 Data, Micro/SD Card Reader - Compatible with 2020/2019/2017 iMac & iMac Pro, Does Not Fit 2021 iMac (Silver) :
Apple 2020 iMac with Retina 5K Display (27-inch, 8GB RAM, 256GB SSD Storage)