64GB (4 X 16GB) Kit Memory Module for Apple iMac 27" 2017 5K Retina Display DDR4 2400MHz SO-DIMM RAM (PARTS-QUICK Brand) at Amazon.com
64GB Kit (2 X 32GB) Memory for Lenovo ThinkPad X1 Extreme DDR4 2666MHz SoDIMM Memory (PARTS-QUICK Brand) at Amazon.com
64GB (2x32GB) DDR4 2666 PC4-21300 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Vengeance Performance Memory Kit 8GB (1x8GB) DDR4 3200 CL22 Unbuffered SODIMM Memory for 11th Generation Intel Core Processors. at Amazon.com
DATARAM 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade for 2018 Mac Mini (macmini18,1), 2019 27 inch iMac (iMac19,1) and PC laptops at Amazon.com