Synology DiskStation DS718+, made for a variety of server roles such as backup, file storage, email servers, and domain controllers!
Form Factor: NAS Tower Server
Internal File System Format: EXT4, Btrfs
Ports: 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 3 x USB 3.0 Port; 1 x eSATA Port
Processor: Intel Celeron J3455 Dual-Core 1.5GHz 2MB CPU
Memory: 6GB DDR3L Synology SDRAM
Storage: 4TB (2 x 2TB) 6Gb/s SATA 3.5 Inch HDDs for High Capacity Storage
Power: Single Power Supply
Operating System: Synology DSM Software
NAS chassis comes in a sealed box
Hard drives and memory upgrades included separately NOT installed, installation required