OWC 64GB (4 x 16GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S64S) at Amazon.com
MICRON 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module MTA4ATF51264HZ-3G2J1, OEM Package at Amazon.com
Amazon.com: MSI H510M PRO ProSeries Motherboard (mATX, 11th/10th Gen Intel Core, LGA 1200 Socket, DDR4, PCIe 4, M.2 Slot, USB 3.2 Gen 1, 1Gbps LAN, D-SUB/DP/HDMI) : Electronics