OWC 8GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Module Upgrade Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S8GB)
OWC 64GB DDR3 1600 MHz SO-DIMM Memory Upgrade Kit
2013 Mac Pro RAM Upgrade Benchmarks: Apple vs. Crucial vs. OWC
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Surprise! The iMac Pro has Upgradable RAM and SSD - The Mac Observer
2013 Mac Pro RAM Upgrade Benchmarks: Apple vs. Crucial vs. OWC
OWC 128GB (4 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DR4S128S), for 2019 27 inch iMac (iMac19,1) and PC laptops - Newegg.com
32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
How to upgrade the 27-inch 5K iMac (2019) with a massive 128GB of RAM [Video] - 9to5Mac