64GB Kit (2 x 32GB) DDR4-2933 PC4-23400 Non-ECC Unbuffered Desktop Memory by NEMIX RAM at Amazon.com
Samsung M386A8K40BM1-CPB 64GB DDR4-2133 4Rx4 LP ECC LRDIMM Server Memory at Amazon.com
Amazon.com: HyperX Fury 64GB 2666MHz DDR4 Ram CL16 DIMM (Kit of 2) Black Desktop Memory with low-profile heat spreader (HX426C16FB3K2/64) : Everything Else
Amazon.com: G.Skill Trident Z Royal Series 64GB (2 x 32GB) 288-Pin SDRAM (PC4-28800) DDR4 3600 CL18-22-22-42 1.35V Dual Channel Desktop Memory Model F4-3600C18D-64GTRS : Electronics