OWC 64GB (2 x 32GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Ram Module Compatible with Mac Mini 2018, iMac 2019 and up, Dell, HP, Lenovo, ASUS and Compatible PCs (OWC2666DDR4S64P) at Amazon.com
CORSAIR Vengeance 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2400 (PC4 19200) Notebook Memory Model CMSX16GX4M2A2400C16 - Walmart.com
Corsair Memory Kit 16GB (2x8GB) DDR4 2400MHz SODIMM Memory, (2 x 8GB) at Amazon.com
Samsung 8GB KIT(2 x 4GB) DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module M471A5244CB0 at Amazon.com
Kingston FURY Impact 32GB (2 x 16GB) 260-pin SO-DIMM DDR4 3200 MHz CL20 Black Memory (KF432S20IBK2/32) - Newegg.com