Restored Apple iMac 21.5" All in One Desktop Computer Intel Core i5 Processor 8GB Memory 1TB HDD Webcam Wi-Fi Bluetooth Mac OS Mojave (2017) (Refurbished) - Walmart.com
2017 iMac Configuration Quirks: Don't Get Burned! - TidBITS
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac