Kingston ValueRAM 16GB RAM 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with TS Server Memory (KVR21R15D4/16) at Amazon.com
Adamanta 16GB (1x16GB) DDR4 2133Mhz (or 2400MHz or 2666MHz or 2933MHz or 3200MHz) PC4-17000 SODIMM 2Rx8 CL15 1.2v Non-ECC Unbuffered Notebook DRAM RAM at Amazon.com
parts-quick 16GB Memory for ASUS ROG GX700VO DDR4 2133MHz SODIMM RAM at Amazon.com