Crucial RAM 16GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT16G4SFRA32A at Amazon.com
G.Skill Trident Z NEO Series 16GB (2 x 8GB) 288-Pin PC4-28800 DDR4 3600 CL16-19-19-39 1.35V Dual Channel Desktop Memory Model F4-3600C16D-16GTZNC at Amazon.com