Kingston KSM24SED8/16ME Server Premier - DDR4-16 GB - SO-DIMM 260-pin - 2400 MHz / PC4-19200 - CL17-1.2 V - unbuffered - ECC at Amazon.com
v-Color 32GB (2 x 16GB) ECC SO-DIMM DDR4 2666MHz (PC4-21300) for NAS Micro Server/Workstation/Compatible with Synology 21 Series 2Rx8 CL19 1.2V (TES416G26D819K-VKC) at Amazon.com
A-Tech 8GB Module for Dell Inspiron 15 3567 Compatible DDR4 2133MHz PC4-17000 Non-ECC SODIMM 1.2V - Single Laptop & Notebook Memory RAM Stick (ATMS397705A34065X1) at Amazon.com
32GB (2X16GB) Kit Memory for Dell Precision 17 7000 Series (7710) DDR4 2133MHz ECC SODIMM (PARTS-QUICK Brand) at Amazon.com