Apple 21.5-inch iMac review | 2014 | Digital Trends
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini RAM at Amazon.com
Apple iMac 21.5-Inch (2014) Review | PCMag
How to Upgrade the iMac 21.5-inch (2013-2014)
iMac (Retina 5K, 27-inch, Late 2014) - Technical Specifications
Apple iMac with 5K Retina display (27-inch) review: Apple's 5K iMac impresses expert eyes (review) - CNET
Buy Used & Refurbished Apple iMac 21.5-inch (Mid-2014) 1.4GHz Core i5 500GB HDD 16GB RAM MF883LL/A - iMac
Differences Between Late 2013 and Mid-2014 Aluminum iMac: EveryMac.com
Best Buy: Pre-Owned Apple iMac 21.5-Inch Desktop "Core i5" 2.7GHz (Mid-2014) 8GB Memory 1000GB HDD ME086LL/A
Apple iMac 27" Retina 5K - Mid 2014 Reviews, Pros and Cons | TechSpot
Apple 21.5" Certified Refurbished iMac Desktop Intel Core i5 1.4GHz 8GB Memory 500GB HDD (2014) Silver MF883LL/A - Best Buy