Synology DiskStation DS1621xs+ is a high-end, high-performance NAS solution that supports every aspect of your business with powerful data management, collaboration, and networking tools topped off with well-rounded data protection mechanisms in a 6-bay desktop chassis. Built-in M.2 SSD cache slots, 10GbE connectivity, scalable storage, and Synology 5-year limited warranty make DS1621xs+ a future-proof choice to build on-premises cloud infrastructure.