Synology DiskStation DS420+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads. Celeron J4025 Dual-Core 2.0GHz CPU, Up to 2.9GHz Burst; 6GB DDR4 non-ECC Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; 16TB (4 x 4TB) SATA 2.5' SSDs for High-Speed Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports Features: Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, File Server/Management, 4K Multimedia Server role, Desktop Backup, Hyper Backup, Snapshot Replication, Synology Drive, and many more Synology NAS chassis comes in a sealed box. Hard drives and memory upgrades included separately, NOT installed, installation required.