QNAP 16GB (1x16GB) DDR4-2666MHz ECC R-DIMM 288 Pin, K0 Version Memory Module PN: RAM-16GDR4ECK0-RD-2666 at Amazon.com
HP 752371-081 - HP 16GB?(1X16GB)?2RX4?PC4-2133P-L Memory Module at Amazon .com
Adamanta 16GB (1x16GB) HP Certified Hynix Laptop Memory Upgrade Compatible for HP Pavilion 17 & Omen 15 DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v RAM DRAM at Amazon.com