16GB (1x16GB) DDR4-2666MHz PC4-21300 ECC UDIMM 2Rx8 1.2V Unbuffered Server Memory by NEMIX RAM at Amazon.com
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-28800) DDR4 3600 CL17-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3600C17D-16GTZR at Amazon.com