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
Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK at Amazon.com
SK HYNIX 64GB DDR4 LRDIMM PC4-19200 2400MHZ ECC Registered RAM HMAA8GL7AMR4N-UH at Amazon.com