Kingston Technology 8GB DDR4 2133MHz SODIMM Memory for Select Acer, Dell, HP/Compaq Laptops (KCP421SD8/8) at Amazon.com
Dell SNPTD3KXC/8G A8547953 8GB (1 x 8GB) 260-Pin DDR4 2133MHz Sodimm at Amazon.com
2x 16GB 32GB RAM DDR4 2133 Mhz Samsung SO DIMM PC4-17000 for Skylake Laptops 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
Crucial 8GB Single DDR4 2133 MT/s (PC4-17000) DR x8 SODIMM 260-Pin Memory - CT8G4SFD8213 at Amazon.com