The Synology DS723+ is a 2-bay compact and flexible NAS solution that can be adjusted and expanded as your needs change, with optional support for up to seven drives, faster networking, and NVMe SSDs for caching or additional storage pools. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.Warranty can be extended to 5yrs with the purchase of EW201!