Synology Disk Station DS509+ offers PC server equivalent performance for efficient data sharing and backup. Its high performance coupled with sophisticated Synology Disk Station Manager 2.1 provides an ideal solution for cross platform sharing, secure server backup, Windows ADS integration, business mail server, and corporate surveillance. The plug-n-use Synology DX5 easily expands the DS509+’s storage capacity up to 10 hard drives on the fly. Synology Disk Station DS509+ supports various volume types, like basic, RAID 0/1/5/6, and RAID 5+Spare to fit users’ needs. Advanced operations allow RAID expansion and RAID type changing to provide flexible management experience. S.M.A.R.T. is a monitoring system for hard drives used to detect and report various attributes of reliability, helping to anticipate malfunctions. The Link Aggregation feature provides share-loading and failover support for Synology Disk Station DS509+. When running out of the hard drive capacity on Synology Disk Station DS509+, users can expand more storage with Synology DX5. By attaching it to Synology Disk Station DS509+, the plug-n-use connectivity and eSATA 3.0 Gb/sec definition allow users to expand volume from Synology Disk Station DS509+. No firmware installation is needed. Synology Network Backup allows users to back up files from one to another Synology Disk Station or any rsynccompatible server, the Local Backup allows backups to external hard drives via USB or eSATA, both providing flexible scheduling options. The Local Backup provides Synology Disk Station DS509+ with the ability to back up data to a shared folder or, to external USB or SATA hard drives. Synology DX5 delivers a perfect backup solution for Synology Disk Station DS509+, too. By attaching it to Synology Disk Station DS509+, the plug-n-use connectivity and eSATA 3.0 Gb/sec definition allows users to create an independent volume on the DX5 as a good backup target. No firmware installation is needed.