Apple 21.5" iMac Desktop Computer (Late 2013) ME086LL/A B&H
Amazon.com: Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 256GB Solid State Drive, MacOS 10.12 Sierra (Renewed) : Electronics
Configure your own 21.5-inch Apple iMac (2013) at OWC
iMac Intel 21,5" late 2013 EMC 2742 - used original spareparts for Macs