Adamanta 16GB (1x16GB) DDR4 2666MHz (or 2133MHz or 2400MHz or 2933MHz or 3200MHz) PC4-21300 SODIMM 2Rx8 CL19 1.2v Non-ECC Unbuffered Notebook Laptop RAM Memory Upgrade at Amazon.com
RISHIL WORLD XIEDE DDR4 2666MHz 2667MHz 8GB PC4 Memory RAM Module for Laptop : Amazon.in: Computers & Accessories
Timetec 32GB KIT(2x16GB) Compatible for Apple DDR4 2666MHz / 2667MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K, Late 2018 Mac Mini (8,1) PC4-21333 /PC4-21300 MAC RAM at Amazon.com