Synology 4 Bay NAS DiskStation DS920+ (Diskless), 4-Bay; 4GB DDR4 & M.2 2280 NVMe SSD SNV3410 400GB (SNV3410-400G)
Synology DS920+ NAS - SATA vs NVMe SSD Caching Test - YouTube
Synology 4 Bay NAS DiskStation DS920+ (Diskless), 4-Bay; 4GB DDR4 & M.2 2280 NVMe
DS920+ from Synology Product Brief from WhichNAS
Synology DiskStation DS920+
Synology DS920+ 4-Bay 1GbE NAS Review - ServeTheHome
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Pro Endurance 512GB M.2 2280 PCIe (3.1 x4) NVMe Solid State Drive (TLC) for Synology NAS Systems RS2421RP+
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
Synology DS918+ SSD Cache Install and Is it worth it? - YouTube