G.Skill Trident Z Royal 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-32GTRS at Amazon.com
Corsair Memoria Module Rgb Pro Dimm Memory 8g 3000mhz 3200mhz 3600mhz 4000mhz 8gb 16gb 32gb Pc4 For Amd And Intel Desktop Ram - Rams - AliExpress
Corsair VENGEANCE RGB PRO SL 32GB (2 X 16GB) DDR4 DRAM 4000MHz C18 Memory Kit-Black - Karaz Store
G.Skill Trident Z RGB 32GB (2 x 16GB) DDR4-4000 PC4-32000 CL18 Dual Channel Desktop Memory Kit F4-4000C18D-32GTZR - Black - Micro Center