Hynix Original 16GB (1x16GB) Laptop Memory Upgrade Compatible for HP EliteBook 820 G3 DDR4 2133Mhz PC4-17000 SODIMM 2Rx8 CL15 1.2v DRAM Notebook Adamanta at Amazon.com
Adamanta 16GB (1x16GB) Laptop Memory Upgrade DDR4 2133Mhz PC4-17000 SODIMM 2Rx8 CL15 1.2v Notebook DRAM RAM at Amazon.com
Amazon.com: Crucial 8GB Single DDR4 2133 MT/s (PC4-17000) DR x8 Unbuffered DIMM 288-Pin Memory - CT8G4DFD8213 : Everything Else
Samsung M471A1K43BB0-CPB 8GB PC4-17000 DDR4-2133MHz Non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Single Rank Memory Module - OEM at Amazon.com
parts-quick 8GB Memory for HP Z840 Workstation DDR4 PC4-17000 2133 MHz RDIMM Compatible RAM