RAM & Memory Upgrades
64GB (2 x 32GB) DDR4 2666MHz PC4-21300 288-PIN ECC REGISTERED DIMM (RDIMM) MEMORY RAM KIT COMPATIBLE WITH MAC PRO (2019)
SIZE/CAPACITY: 64GB KIT (2 x 32GB) VOLTAGE/POWER CONSUMPTION: 1.2v CAS LATENCY: CL19 SPEED: PC4-21300 (2666MHz) TYPE/INTERFACE: 288-PIN DDR4 ECC REGISTERED DIMM (RDIMM) MAC PRO (2019)
https://www.bizrate.co.uk/ram_memoryupgrades/64gb-2-x-32gb-ddr4-oid12160193248.html
