Adding SSD Cache to Synology DiskStation DS918+ with Samsung NVMe M2 SSD -
Synology DS918+ review: nas met nvme-cache - Caching - Hardware Info
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
Pro Endurance 1TB M.2 2280 PCIe NVMe SSD for Synology NAS Systems DS918+ | eBay
Amazon.com: Synology DS1522+ 5-Bay Desktop NAS Solution 5x3,5/2,5" SATA HDD/ SSD, 2X M.2 2280 NVMe SSD, 8GB RAM : Electronics
Synology DiskStation DS918+ Review « Blog | lesterchan.net