G.Skill G.SKILL Trident Z Neo Series 64GB (2 x 32GB) DDR4 4000 (PC4 32000) Intel XMP 2.0 Desktop Memory Model F4-4000C18D-64GTZN
G.Skill Ripjaws V 32GB (2 x 16GB) DDR4 4000 MHz CL16 288-pin DIMM Black Memory (F4-4000C16D-32GVKA) - Bleepbox
G.SKILL Trident Z Royal Series 64GB (2 x 32GB) 288-Pin PC RAM DDR4 4000 (PC4 32000) Desktop Memory Model F4-4000C18D-64GTRS - Newegg.com
G.Skill Trident Z RGB 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-32GTZR at Amazon.com
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
G.Skill Trident Z RGB 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-32GTZR at Amazon.com
G.SKILL Trident Z Royal Elite Series 32GB (2 x 16GB) DDR4 4000 F4-4000C18D-32GTEG RAM - Pangoly
F4-4000C17D-16GTZR - G.SKILL International Enterprise Co., Ltd.
G.SKILL Trident Z Royal Series 16GB (2 x 8GB) DDR4 4000 (PC4 32000) Desktop Memory Model F4-4000C15D-16GTRS - Newegg.com