Synology DiskStation DS720+ is a compact network-attached storage solution designed to streamline data and multimedia management. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. With scalable storage design, DS720+ lets you start small and expand storage capacity with the Synology DX517 as your data grows.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
Flexibly scale up to seven drives to increase storage capacity as demand grows
Back up critical data and reduce your Recovery Time Objective (RTO) with Snapshot Replication
225 MB/s sequential read and 195 MB/s sequential write throughput
Maximum IP camera: 40 (total of 1,200 FPS at 720p, H.264) (including two free camera licenses; additional cameras require the purchasing of additional licenses)