G.Skill Trident Z RGB Series 32GB (2 x 16GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-32GTZR at Amazon.com
Corsair Vengeance LPX 32GB DDR4 DRAM 2666MHz C16 Memory Kit for DDR4 Systems 2400 MT/s at Amazon.com
Crucial Ballistix 3200 MHz DDR4 DRAM Laptop Gaming Memory Kit 32GB (16GBx2) CL16 BL2K16G32C16S4B at Amazon.com
Amazon.com: Crucial RAM 32GB DDR4 2666 MHz CL19 Memory for Mac CT32G4S266M : Everything Else