Crucial RAM 16GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT16G4SFRA32A at Amazon.com
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com
CORSAIR VENGEANCE LPX 16GB (2PK x 8GB) 3200MHz DDR4 C16 DIMM Desktop Memory Black CMK16GX4M2E3200C16 - Best Buy