16GB G.Skill Ripjaws 4 DDR4 3400MHz PC4-27200 CL16 Quad Channel kit (4x4GB) Blue with 2 Active Fans - Walmart.com
G.SKILL Ripjaws X Series 8GB (2 x 4GB) DDR3 2133 (PC3 17000) Desktop Memory Model F3-17000CL9D-8GBXM Desktop Memory - Newegg.com
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 Series 4GB DDR3 1600 Desktop Memory - Newegg.com
G.SKILL 8GB (2 x 4GB) Ripjaws Series DDR4 PC4-17000 2133MHz Laptop Memory Model F4-2133C15D-8GRS - Walmart.com