Maximise data storage capacity by adding 60 additional drives to your HD6500 server in minutes. With support for up to four expansion units, you can easily accommodate massive storage growth without incurring costly disruptions. Support for SAS multipathing allows you to achieve up to twice the performance when deploying multiple expansion units, while storage expansion during ongoing operations and comprehensive storage management tools in Synology DiskStation Manager (DSM) simplify initial configuration and management down the road.