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
8GB DDR4-2133MHZ SODIMM F/HP
SAMSUNG 8GB PC4-17000 2133MHz 1RX8 SODIMM at Amazon.com
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
Amazon.com: PNY Performance 8GB DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN8GSD43200-TB : Everything Else