Synology DiskStation DS418 Mini 4-Bay NAS is designed for high performance desktop file backup, real-time file collaboration, 4K media streaming, and public cloud backup and sync; for home users, IT professionals, and small businesses OS Features: Real-Time Collaboration on Your Private Cloud, File Sync Across All Devices via Cloud Station Suite, File Access and Sharing via QuickConnect, Synology Hybrid RAID Technology, Desktop Backup, Comprehensive Built-In Security Tools Ports: 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.0 Port; Memory: 2GB DDR4 Synology SDRAM; SSD Storage: 4TB (4 x 1TB) SATA III Solid State Drives for Ultra Fast Storage; Processor: Realtek RTD1296 Quad-Core 1.4GHz 2MB CPU Synology NAS chassis comes in a sealed box Hard drives and memory upgrades included separately NOT installed, installation required