A-Tech 16GB RAM Replacement for Ramaxel RMSA3300ME78HBF-2666 | DDR4 2666MHz PC4-21300 2Rx8 1.2V SODIMM 260-Pin Memory Module at Amazon.com
TEAMGROUP Elite DDR4 16GB Kit (2 x 8GB) 2666MHz PC4-21300 CL19 Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED416G2666C19DC-S01 at Amazon.com
SAMSUNG M471A1K43CB1-CTD 2666MHz Memory Modules (8GB, 1 x 8GB, DDR4, 2666 MHz, 260-Pin SO-DIMM, Black, Green) at Amazon.com
RISHIL WORLD XIEDE DDR4 2666MHz 2667MHz 8GB PC4 Memory RAM Module for Laptop : Amazon.in: Computers & Accessories
OWC 32GB (2 x 16GB) PC21300 DDR4 2666MHz SO-DIMMs Memory, Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs, (OWC2666DDR4S32P) at Amazon.com
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
A-Tech 16GB RAM Replacement for Crucial CT16G4DFRA266 | DDR4 2666MHz PC4-21300 UDIMM Non-ECC 1.2V 288-Pin Memory Module at Amazon.com