G.SKILL RAM TridentZ Series - 16 GB (2 x 8 GB Kit) - DDR4 4000 UDIMM CL19 at Amazon.com
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com
G.SKILL RAM TridentZ Series - 16 GB (2 x 8 GB Kit) - DDR4 4000 UDIMM CL19 at Amazon.com
Ddr4 Ram 4000mhz
Corsair Vengeance SODIMM 32GB (4x8GB) DDR4-4000 (PC4-32000) CL19 for Intel X299 Systems - CMSX32GX4M4X4000C19 at Amazon.com
G.Skill Trident Z RGB Memory Module 32 GB DDR4 4000 MHz at Amazon.com
Amazon.com: Thermaltake TOUGHRAM XG RGB DDR4 4000MHz 16GB (8GB x 2) 16.8 Million Color RGB Alexa/Razer Chroma/5V Motherboard Syncable RGB Memory R016D408GX2-4000C19A : Everything Else
Corsair Vengeance SODIMM 32GB (4x8GB) DDR4-4000 (PC4-32000) CL19 for Intel X299 Systems - CMSX32GX4M4X4000C19 at Amazon.com
G.SKILL 32GB (2 x 16GB) TridentZ Series DDR4 PC4-32000 4000MHz Intel Z370 Desktop Memory Model F4-4000C19D-32GTZSW at Amazon.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