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
Brute Networks 820570-001-BN - 8GB PC4-17000 DDR4-2133MHz 1Rx8 1.2v Non-ECC SODIMM (Equivalent to OEM PN # 820570-001) at Amazon.com