APPLE iMAC i7 21.5" Late 2013 16 GB RAM 1TB HDD 128 GB SSD 3.1 GHZ NVIDIA GT | eBay
16GB ram vs 8GB ram MAC (noob test) - YouTube
Refurbished Apple iMac 14,1/i5-4570R/16GB RAM/1TB HDD/21.5-inch/Iris Pro 5200/B (Late - 2013) | SafepcDirect
Amazon.com: A-Tech Kit de 16 GB (2 x 8 GB) RAM para Apple iMac y Mac Mini (2018, 2019 y 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260 pines SO-DIMM Memory Upgrade : Electrónica