Patriot 32GB Viper Elite II DDR4 4000 MHz UDIMM PVE2432G400C0K
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
Patriot Memory Viper Elite II DDR4 32GB(2 x 16GB) 4000MHz Kit 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
32GB G.Skill DDR4 Trident Z Royal Gold 4000Mhz PC4-32000 CL15 1.50V Quad Channel Kit (4x8GB) - Walmart.com