64GB (4x16GB) DDR4-2666MHz PC4-21300 ECC UDIMM 2Rx8 1.2V Unbuffered Memory for Server by NEMIX RAM at Amazon.com
Build a PC for RAM Kingston DDR4 64GB (4x16GB) 3200Mhz FURY Beast RGB Black (KF432C16BB1AK4/64) with compatibility check and compare prices in USA: NY, Chicago, LA on NerdPart
Samsung 64GB DDR4 SDRAM Memory Module at Amazon.com
Lenovo 64GB DDR4 3200MHz ECC RDIMM Memory | Lenovo US
Memória Kingston Fury Beast | KaBuM!
Crucial RAM 64GB Kit (2x32GB) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT2K32G4SFD832A at Amazon.com