Used G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4 2800 (PC4 22400) | eBay
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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 V Series 8GB (1 x 8GB) 288-Pin SDRAM (PC4-21300) DDR4-2666 CL19-19-19-43 1.20V Dual Channel Desktop Memory Model F4-2666C19S-8GVR at Amazon.com
G.Skill Trident Z Royal RGB 8GB DDR4 3600MHz Gold Heatsink Desktop RAM - GET TO EASY