SK HYNIX 8GB HMA81GR7CJR8N-VK DDR4-2666 ECC RDIMM 1Rx8 PC4-21300V-R CL19 Server Memory at Amazon.com
SK HYNIX 16GB 2X8GB DDR4 PC4-19200 2400MHZ 1RX8 CL17 Memory KIT HMA81GS6MFR8N-UH at Amazon.com
Adamanta 8GB (1x8GB) HP Certified Hynix Laptop Memory Upgrade Compatible for HP Omen 15 & Omen 17 DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v RAM DRAM at Amazon.com
HMA81GS6JJR8N-VK Hynix Replacement 8GB DDR4-2666 PC4-21300 Non-ECC Unbuffered Memory by NEMIX RAM at Amazon.com
Hynix HMA81GS6AFR8N-UH 8GB DDR4-2400 SODIMM at Amazon.com