Average 19.8% 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 fifteen drives to increase storage capacity as demand grows Build an on-premises, multi-user collaboration environment with fined-grained control Back up critical data and reduce Recovery Time Objective (RTO) with Snapshot Replication Set up and run mainstream virtual machines on your Synology NAS Synology DiskStation DS1520+ is an ideal network-attached storage solution,suitable for small office and IT enthusiasts. 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,DS1520+ lets you start small and expand storage capacity with the Synology DX517 as your data grows. Optimize performance and capacity DS1520+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays. Accelerate demanding applications A more powerful CPU speeds up computing-intensive applications. The quad-core processor boosts photo indexing,database response times,and web PHP response efficiency. Easily categorize your photo memories,smoothly manage files across computers and mobile devices,and enjoy blazing fast web applications.