G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-16GBXL at Amazon.com
G.Skill Ripjaws X 8GB (2 x 4GB) DDR3-1600 PC3-12800 CL9 Dual Channel Desktop Memory Kit F3-12800CL9D-8GBXL - Red - Micro Center
G.Skill 8GB (2 x 4GB) Ripjaws V Series 288-Pin DDR4 SDRAM DDR4 2400 (PC4-19200) Intel Z170 Platform/Intel X99 Platform Desktop Memory Model F4-2400C15D-8GVR at Amazon.com
G.SKILL Ripjaws 4 Series 8GB (2 x 4GB) 288-Pin DDR4 SDRAM DDR4 2400 (PC4 19200) Memory Kit Model F4-2400C15D-8GRR at Amazon.com