This B&H Kit combines the Synology DX517 5-Bay Expansion Enclosure with five Seagate 4TB IronWolf 5900 rpm SATA III 3.5" NAS hard drives for a total storage capacity of 20TB.
Synology DX517 5-Bay Expansion Enclosure
Built to support on-the-fly volume expansion and local backups, the DX517 5-Bay Expansion Enclosure from Synology adds an additional five 3.5"/2.5" SATA drive bays to select DiskStation solutions.. Its drive bays are hot-swappable and screwless, and included is an AC power cord, an accessory pack, and an eSATA expansion cable. Protection is provided by a limited 3-year warranty.
General Features
5-Bay 3.5"/2.5" SATA Expansion
Online Volume Expansion
Hot-Swappable Drive Tray Design
Dedicated Local Backup Solution
Applied Models (Supports Creating Volumes Across Different Units)
21 Series
20 Series
19 Series
18 Series
17 Series
16 Series
15 Series
Applied Models (Supports Creating Volumes On a Single Unit)
18 Series
16 Series
15 Series
Seagate 4TB IronWolf 5900 rpm SATA III 3.5" Internal NAS HDD
Designed for use in 1-8 bay NAS systems within home, SOHO, and small business environments, the 4TB IronWolf 5900 rpm SATA III 3.5" Internal NAS HDD from Seagate is built to withstand 24x7 operations, or up to 180TB per year / 8760 hours per year. This 4TB drive has been equipped with a SATA III 6 Gb/s interface, a rotational speed of 5900 rpm, a 3.5" form factor, and a 64MB cache, providing users with an ample storage capacity and data transfer speeds of up to 180 MB/s. The IronWolf also has an MTBF rating of 1.0 million hours, a workload rate of up to 180TB per year, a non-recoverable read error rate of 1 per 1014, and 600,000 load/unload cycles. Protection is provided by a limited 3-year warranty.