Apple unveils new, slimmer iMac: 21.5-inch and 27-inch models - 9to5Mac
Apple iMac Slim 21.5” Late 2013 A1418 8GB 1TB Core i5 2.7GHz with Appl - furniture - by owner - sale - craigslist
Apple iMac Slim 21.5" Intel Core i5 2.70 GHz (2012) Desktop all in one 480GB SSD | eBay
Amazon.com: Satechi USB C Slim Dock for 24” iMac with Tool-Free Enclosure for M.2 PCIe NVMe and SATA SSDs– USB C Data Port, USB A, 2 USB 2.0, Micro/SD Card Reader (Blue) :
The evolution of the Macintosh — and the iMac | Computerworld