Synology DX517 5 Bay Desktop Network Attached Storage Expansion Unit - Black

The Synology DX517 5-Bay NAS Expansion Module offers simple storage capacity expansion solution for your DiskStation through its intuitive plug-n-use design. The DX517 allows you to instantly scale up to 5 additional hard drives, so that you can expand RAID volume online or deploy the drives as a dedicated local backup destination for your NAS. Synology DX517 is backed by Synology’s 3-year limited warranty.5-bay 3.5"/2.5" SATA expansionEasily add 5 additional drive bays to Synology DiskStation. Supporting both 2.5" and 3.5" SATA drives, DX517 is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.Online volume expansionManaged from DiskStation Manager on the host NAS, the additional bays in the DX517 are immediately ready to be used once connected. On-the-fly volume expansion ensures that storage and services on the host are not interrupted during volume expansion.Hot-swappable drive tray designThe hot-swappable drive trays of DX517 allow