Highlight . Plug-and-Use design for seamless storage space upgradeOnline volume expansionSATA III 6Gb/s interface supportPerfect for local backup solutionEnergy-saving hibernation modeManaged from Synology DiskStation Manager (DSM) . Volume Expansion and; Backup When drive capacity is running low on a Synology DiskStation Synology DX1215 provides an easy way to immediately scale capacity by providing an additional 12 drive slots. A RAID volume on the Synology DiskStation can be expanded directly without having to reformat the existing drives ensuring the Synology DiskStation continues providing services during capacity expansion.Synology DX1215 can serve as a dedicated local backup solution for a Synology DiskStation. When created as a separate volume the Synology DX1215 provides a great backup solution for local drives in case of system failure Reliable Plug-and-Use Design DX1215 securely connects to Synology\'s DiskStation servers with a specially designed expansion cable ensuring easy connection and maximum data throughput. The 6Gb/s connection speed allows the drives in the connected Synology DX1215 to operate as the internal ones of Synology DiskStation..