Crucial RAM 32GB Kit (2x16GB) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT2K16G4SFRA32A at Amazon.com
Corsair Vengeance RGB Pro 16GB (2x8GB) DDR4 3600 (PC4-28800) C18 Desktop memory – White at Amazon.com
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell OptiPlex 760 (Desktop Mini-Tower and Small Form Factor) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com
Kingston 8GB DDR4 SDRAM Memory Module at Amazon.com