Form Factor: NAS Tower Server Internal File System Format: EXT4, Btrfs Ports: 1 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 3 x USB 3.2 Ports Processor: RTD1619B 4-Core 1.7GH z CPU Memory: 2GB DDR4 non-ECC Memory Storage: 16TB (2 x 8TB) SATA 2.5" SSDs for Ultra-Fast, High-Speed Storage Power: Single Power Supply Operating System: Synology DSM Software Features: Centralized Data Management, Data Sharing, Security Advisor, Surveillance, File Server/Management, 4K Multimedia Server role, Desktop Backup, Synology Drive, and many more NAS chassis comes in a sealed box. Hard drives and memory upgrades included separately, not installed, installation required.