CMS 16GB (2X8GB) DDR4 19200 2400MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Asus/Asmobile® Motherboard PRIME A320M-A, PRIME X370-A, ROG CROSSHAIR VI HERO, ROG MAXIMUM XII APEX - C112 - Walmart.com
Kingston HyperX FURY 8GB 1866MHz DDR3 CL10 DIMM - Red (HX318C10FR/8) at Amazon.com
Kingston HyperX FURY 8GB Kit (2x4GB) 1866MHz DDR3 CL10 DIMM - Red (HX318C10FRK2/8) at Amazon.com