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
Corsair CMK4GX4M1A2400C16 Vengeance LPX 4GB (1 x 4GB) DDR4 DRAM 2400MHz (PC4-19200) C16 Memory Kit, Black