CORSAIR Vengeance LPX 64GB (4x16GB) DDR4 3200 (PC4-25600) C16 1.35V Desktop Memory - Black at Amazon.com
G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com