G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin PC RAM DDR4 4000 (PC4 32000) Int 848354033875 | eBay
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
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
G.SKILL Ripjaws 4 Series 8GB (2 x 4GB) DDR4 2800 (PC4 22400) Extreme Performance Memory Model F4-2800C16D-8GRR - Newegg.com
F4-2800C16D-8GRR-(EOL) - Specification - G.SKILL International Enterprise Co., Ltd.
Ripjaws V 16GB (2 x 8GB) DDR4 SDRAM Memory Kit - Walmart.com