Synology RackStation RS820+ Compact Rack Mount NAS Server Bundle with Rail Kit for economical and space saving deployment, advanced backup with snapshot replication technology, near unlimited file management and sharing, digital asset protection, and certified storage virtualization features; made for remote office or small business data storage!
Form Factor: NAS Rack Server
Internal File System Format: EXT4, Btrfs
Ports: 4 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.0 Port; 1 x eSATA Port
Processor: Intel Atom C3538 Quad-Core 2.1GHz 8MB CPU
Memory: 18GB DDR4 Synology RAM
HDD Storage: 16TB (4 x 4TB) 7.2K RPM 6Gb/s SATA HDD for High Capacity Storage
Power: Single Power Supply
Operating System: Synology DSM Software
OS Features: iSCSI Target, Backup with Snapshot Replication Technology Support, 12 Inch Depth for Space Saving Efficiency, Near Unlimited File Management and Sharing, Digital Asset Protection, Comprehensive Built-In Security Tools, Storage Virtualization Solution Compatibility
Included Accessories: Synology RackStation Sliding Rail Kit

NAS chassis comes in a sealed box.
Hard drives and memory upgrades included separately NOT installed, installation required.