Compatible memory with GIGABYTE Z390 AORUS PRO - Pangoly
Gigabyte Z390 Boards Now Support up to 128GB DDR4 with Update | eTeknix
Compatible memory with Asus Prime Z390-A - Pangoly
GIGABYTE Adds Support for 128 GB of Memory to Z390 & C246 Motherboards
CMS 8GB (2X4GB) DDR4 19200 2400MHZ Non ECC DIMM Memory Ram Upgrade Compatible with MSI® Motherboard Z390-A PRO, Z490-A PRO - C117 at Amazon.com
ASUS Prime Z390-A LGA 1151 ATX Motherboard PRIME Z390-A B&H
CMS 4GB (1X4GB) DDR4 19200 2400MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Asus/Asmobile® Prime X470-PRO, Prime Z390-A, Prime Z390-P, WS Z390 PRO - C116 - Walmart.com
MSI motherboard supports a single 32G DRAM, you may not guess how significant it is!