Apple iMac 21.5” (A1418 EMC-2544 ) Intel Core i5-3330S 2.7Ghz 8GB 1TB OS Mojave | eBay
EMC 3070 - iMac Retina 5K Mid 2017 27"
Amazon.com: iFixit Display Data Cable Compatible with iMac Intel 27" EMC 2546 & 2639 : Electronics
Where can I locate the EMC Number on my Mac? Are EMC Numbers unique? What are the limitations identifying a specific Mac using EMC Numbers?: EveryMac.com
Amazon.com: iFixit Power Supply Compatible with iMac Intel 27" EMC 2309, 2374, 2390 or 2429 : Electronics
EMC 2833 - iMac Retina 4K Late 2015 21.5"
EMC Numbers – What Are They, Where Are They, & How to Use Them? | BeetsBlog