Synology NAS Unofficial Memory Guide 2019/2020 – NAS Compares
Synology DS720+ NAS - Big Upgrade - Scargill's Tech Blog
Amazon.com: Synology DiskStation DS720+ NAS Server for Business with Celeron CPU, 6GB Memory, 1TB M.2 NVMe SSD, 2TB SSD Storage, DSM Operating System : Electronics