Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
CORSAIR Vengeance 32GB (2 x 16GB) 288-Pin PC RAM DDR5 5600 (PC5 44800) Desktop Memory Model CMK32GX5M2B5600C36 Desktop Memory - Newegg.com
Crucial RAM 16GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT16G4SFRA32A at Amazon.com
Apple Memory Module 16GB DDR4 2400MHz SO-DIMM (2x8GB) - Apple
TEAMGROUP T-Force Vulcan Z DDR4 16GB Kit (2x8GB) 3200MHz (PC4-25600) CL16 Desktop Memory Module Ram (Gray) - TLZGD416G3200HC16CDC01 at Amazon.com