Crucial CT16G4RFD4213 16GB Single DDR4 2133 MT/s (PC4-2133) CL15 DR x4 ECC Registered DIMM 288-Pin Server Memory,Black/Green 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