Synology DX517 5-bay expansion enclosure, sold diskless. No hard drives or SSDs included. This listing is for the expansion unit only; a host NAS is not included.Adds five SATA drive bays to a compatible Synology NAS through eSATA. Supports 3.5-inch SATA hard drives and 2.5-inch SATA hard drives or SSDs, with hot-swappable trays. Managed through DiskStation Manager on the attached host NAS.Compatible models include DS1821+, DS1621+ and DS1522+; check Synology’s DX517 compatibility list for your exact model. This is not a standalone NAS, USB enclosure, or direct Ethernet storage device.Used and working. Sold diskless.
Includes all 5 drive trays, the AC power cord and the eSATA expansion cable.Drives shown in any test screenshot are not included.