Synology DiskStation DS420+ is a networkattached storage solution for smooth data sharing, video streaming, and photo indexing. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance.Warranty can be extended to 5yrs with the purchase of EW201!

Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time
Built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays
Back up critical data and reduce your Recovery Time Objective (RTO) with Snapshot Replication
Maximum IP camera: 25 (total of 750 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the purchasing of additional licenses)