Apple Memory Module 16GB DDR4 2400MHz SO-DIMM (2x8GB) - Apple
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-28800) DDR4 3600 CL17-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3600C17D-16GTZR at Amazon.com
Silicon Power 16GB (2 x 8GB) DDR4 3200 (PC4 25600) 288-Pin XPOWER Turbine DDR4 SDRAM Desktop Memory Model SP016GXLZU320BDA - Newegg.com
Crucial 16GB (2 x 8GB) DDR4 3200 (PC4 25600) Desktop Memory Model CT2K8G4DFS832A - Newegg.com
Corsair Vengeance LPX 16GB (2 X 8GB) DDR4 3200 (PC4-25600) C16 1.35V Desktop Memory - Black at Amazon.com