The SSD cache test: how much faster will my Synology become thanks to WD Blue? - digitec
DS918+ and DS1018+ compatible M.2 NVMe SSD – NAS Compares
SSD Cache drive not showing in Storage manager | Synology Community
Synology has quietly added support for M.2 SSD volumes. This is a huge deal, as Synology previously allowed these slotted SSD drives for cache purposes only, limiting their utility. : r/synology