v-Color DDR4 64GB (2 x 32GB) 3200MHz (PC4-25600) Server Memory Ram Module Upgrade Dual Rank ECC DIMM 1.2V CL22 2Rx8 (TE432G32D822K-VC) at Amazon.com
G.Skill Ripjaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-21300) DDR4 2666 CL15-15-15-35 1.20V Dual Channel Desktop Memory Model F4-2666C15D-16GVR at Amazon.com
Corsair CMK4GX4M1A2400C14 Vengeance LPX 4 GB DDR4 DRAM 2400 MHz C14 Memory Kit PC4-19200 at Amazon.com
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2666MHz (PC4-21300) C16 Memory Kit - Black at Amazon.com
CORSAIR Vengeance LPX 64GB (2 x 32GB) DDR4 2400 (PC4-19200) C16 1.2V Desktop Memory - Blac at Amazon.com