Patriot Viper Elite II DDR4 8GB(1 x 8GB) 2666MHz Single Memory Module at Amazon.com
8GB Memory Module for Dell Optiplex 7060 MT DDR4 2666MHz Non-ECC UDIMM RAM (PARTS-QUICK Brand) at Amazon.com
DDR4 RAM】 Gigastone Laptop RAM 8GB DDR4 8GB DDR4-2666MHz PC4-21300 CL19 1.2V 260 Pin Unbuffered Non ECC SODIMM for Notebook Laptop Memory Module (Laptop ONLY) at Amazon.com
Dell 8GB DDR4 SDRAM Memory Module at Amazon.com
Crucial RAM 8GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Desktop Memory CT8G4DFRA32A at Amazon.com
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com