Amazon.com: OWC 256GB (2 x 128GB) PC23400 DDR4 ECC-R 2933MHz LRDIMMs Memory Compatible with Mac Pro 2019 and up Models (OWC29D4LR0256) : Everything Else
Install and replace memory in your Mac Pro (2019) - Apple Support
Mac Pro Xeon 3,3Ghz 32Go RAM 2To SSD (2019) - grade A+
OWC Confirms 1TB of Memory in the 8, 12, and 16-Core Mac Pro!
Mac Pro, 2019, Xeon, 4TB SSD, 96GB RAM, Radeon Pro W5700X
2019 Apple Mac Pro Memory Upgrades from OWC
Apple Mac Pro 2019 3.3GHz 12-Core 4TB Apple + 4TB OWC 192GB RAM Vega I – Quality Macs
Install and replace memory in your Mac Pro (2019) - Apple Support
Save thousands on 2019 Mac Pro RAM with DIY upgrade | AppleInsider
64GB 2x32GB DDR4-2933Mhz PC4-23400 288-Pin RDIMM Memory for Apple Mac Pro 2019 7,1 by NEMIX RAM at Amazon.com
2019 Mac Pro 3.3GHz 12-Core Intel Xeon | Up to 768GB RAM | 1TB SSD | AMD 580X 8GB
This is how easy it is to add RAM to the 2019 Mac Pro | Cult of Mac
Install and replace memory in your Mac Pro (2019) - Apple Support
Inside — and outside — the 2019 Mac Pro in pictures | AppleInsider