Synology DiskStation DS220+, 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 Celeron J4025 Dual-Core 2.0GHz CPU, Up to 2.9GHz Burst; 6GB DDR4 non-ECC; 20TB (2 x 10TB) SATA 3.5' HDDs for High-Capacity Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports 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