VENGEANCE® LPX 64GB (2 x 32GB) DDR4 DRAM 4000MHz C18 Memory Kit - Black
G.SKILL TridentZ RGB Series 128GB (4 x 32GB) 288-Pin PC RAM DDR4 4000 (PC4 32000) Desktop Memory Model F4-4000C18Q-128GTZR - Newegg.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
Build a PC for RAM Thermaltake DDR4 16GB (2x8GB) 4000Mhz TOUGHRAM (R017D408GX2-4000C19A) Black with compatibility check and price analysis
CORSAIR VENGEANCE PRO 16 GB (2PK x 8GB) 4000MHz DDR4 C18 DIMM Desktop Memory with RGB lighting Black CMW16GX4M2Z4000C18 - Best Buy
G.Skill 64GB DDR4 Trident Z Royal Silver 4000Mhz PC4-32000 CL18 1.40V – ASA College: Florida