How much RAM do you really need? Assess your memory requirements - Kingston Technology
Kingston KTA-MP1066K4/16G Apple Mac / PC DDR3 1.5v Kit of 4x4GB 16GB RAM - USED | eBay
Install RAM in a Macbook Pro - Kingston Technology - YouTube
16GB Memory Upgrade for 2019-2020 Apple iMac or 2018 Mac mini
Kingston Technology 4 GB Memory for Select Apple Imac's and Macbooks Single (Not a kit) 1066 MHz (PC3 8500) 204-Pin DDR3 SO-DIMM KTA- MB1066/4G at Amazon.com
How much RAM do you really need? Assess your memory requirements - Kingston Technology