Synology DiskStation DS218, made for variety of server roles, like iSCSI targets backup, large file storage, email servers & domain controllers. Powerful, high-capacity scalable storage capable of fitting into environments with intensive, multi-user workloads RTD1296 Quad-Core 1.4GHz CPU; 2GB DDR4 non-ECC; 20TB (2 x 10TB) SATA 3.5' HDDs for High-Capacity Storage; 1 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x USB 2.0 Port Features: iSCSI Target Protocol, Cache Acceleration, Virtual Machine Manager, High Availability, MailPlus, Central Management System, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Active Backup, Surveillance Station role, Collaboration Suite & more Comes in sealed box Hard drives & memory upgrades included separately, NOT installed, installation required