Buy Used & Refurbished Apple iMac 21.5" 2015 Core i5-5250U Dual-Core MK142LLA-PB-RCB - iMac
iMac with Retina display review: best in class, but not everybody needs one | Engadget
Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade at Amazon.com
Apple iMac (21.5-inch, 2014) review: A price cut for the 21-inch iMac makes it a mainstream machine - CNET