G.Skill RipJaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-32000) DDR4 4000 CL18-22-22-42 1.35V Dual Channel Desktop Memory Model F4-4000C18D-16VK at Amazon.com
G.SKILL Model F4-4000C19D-32GTZKK TridentZ Series 32GB (2 x 16GB) 288-Pin DDR4 4000MHz PC4-32000 for Intel Z370 Desktop Memory (B0778XYJDQ) | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches,
CORSAIR VENGEANCE RGB PRO 16GB (2x8GB) DDR4 4000MHz C19 LED Desktop Memory - Black (B07D1TT7RN) | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com
G.Skill Trident Z NEO Series 32GB (2 x 16GB) 288-Pin SDRAM DDR4 4000 (PC4-32000) CL18-22-22-42 1.40V Dual Channel Desktop Memory Model F4-4000C18D-32GTZN at Amazon.com