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
Crucial Ballistix 3200 MHz DDR4 DRAM Desktop Gaming Memory Kit 32GB (16GBx2) CL16 BL2K16G32C16U4B (Black) at Amazon.com
v-Color Prism II RGB 16GB (2 x 8GB) DDR4 4000MHz (PC4-32000) Desktop Memory Module Ram (TL8G40819D-E0P2NBPK) at Amazon.com
Crucial Ballistix MAX RGB 4000 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL18 BLM2K8G40C18U4BL (Black) 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
HyperX Predator DDR4 RGB 16GB Kit of 2 (2 x 8GB) 4000MHz CL19 DIMM XMP RAM Memory with Infrared Sync Technology (HX440C19PB3AK2/16) 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
HyperX Predator Black 16GB 4000MHz DDR4 CL19 DIMM (Kit of 2) XMP (HX440C19PB3K2/16) at Amazon.com
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
Amazon.com: Crucial Ballistix Elite 4000 MHz DDR4 DRAM Desktop Gaming Memory Single 8GB CL18 BLE8G4D40BEEAK : Everything Else