128GB (4x32GB) vs. 64GB (2x32GB) DDR4 RAM on AMD Ryzen Performance Benchmarks Report | APH Networks
CMS 128GB (4X32GB) DDR4 21300 2666MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Asus/Asmobile® Motherboard PRIME X570-PRO/CSM, Z370-A, Z370-A II, Z370-P, Z370-P II, Z370M-PLUS II - C144 - Walmart.com