CMS 8GB (1X8GB) DDR4 19200 2400MHZ NON ECC DIMM Memory Ram Compatible with Asus/Asmobile ROG Maximus XI Extreme, ROG Maximus XI Formula, ROG Maximus XI Hero (WI-FI) - C111 - Walmart.com
Supermicro 8GB PC4-19200 DDR4-2400MHz ECC Registered CL17 288-Pin DIMM 1.2V Single Rank Memory Module Mfr P/N MEM-DR480L-CL03-ER24 at Amazon.com