G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com
Kingston 8GB DDR4 SDRAM Memory Module at Amazon.com
Kingston 8GB DDR4 SDRAM Memory Module - for Server, Desktop PC, Workstation - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19-1.20 V - ECC - Unbuffered - 288-pin - DIMM at Amazon.com
Kingston 32GB DDR4 SDRAM Memory Module at Amazon.com
Amazon.com: v-Color DDR4 8GB (8GBx1) 2666MHz (PC4-21300) CL19 Standard Desktop Computer PC Ram Memory Module Non ECC Unbuffered DIMM 1.2V(TD48G26S819-VC) : Electronics
A-Tech 8GB Replacement for Samsung M391A1G43DB0-CPB - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (M391A1G43DB0-CPB-ATC) at Amazon.com