MMoment 8GB DDR4 2666MHz SODIMM (PC4-21300) 1.2V CL 19 Non-ECC Unbuffered 260 Pin (2Rx8/Dual Rank Base on 1Gx8) Notebook Laptop Memory Upgrade Module at Amazon.com
PNY Performance 32GB DDR4 DRAM 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory RAM – MN32GSD42666 at Amazon.com
Kimtigo DDR4 2666 8G Laptop Dram 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook 1Rx8 Single Rank 260 Pin SODIMM Laptop PC Computer Memory RAM(8GB) at Amazon.com
OWC 32GB (4 x 8GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S32S) at Amazon .com