SSD Cache Advisor 8 days, no analysis so far : r/synology
Synology: How to Remove Current SSD Cache – Marius Hosting
DS918+ and DS1018+ compatible M.2 NVMe SSD – NAS Compares
The Synology DS720+: Incremental update to a great platform - Neowin
How do you setup/initialize Cache on Synology – NAS Compares
Yes, Things do Take Forever; 16TB Drives 4&5 were added 15 days ago; Still two weeks+ left (in response to my and other questions about how long to RAID ops take) :