A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Apple iMac 27-inch (2019) review: Apple iMac 2019 is a millennial trapped in the body of a baby boomer - CNET
Restored Apple iMac 21.5" Thin Desktop Computer Intel Core i5 2.7GHz 8GB RAM 1TB HD Mac OS Sierra MD093LL/A with USB Keyboard and Bluetooth Mouse- (Refurbished) - Walmart.com