Synology DiskStation DS418 Mini Desktop NAS for high performance desktop file backup, real-time file collaboration, 4K media streaming, and public cloud backup and sync; made to be an easy to use home media storage and small business file storage device! - Form Factor: NAS Tower Server - Internal File System Format: EXT4 - Ports: 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.0 Port - Processor: Realtek RTD1296 Quad-Core 1.4GHz 2MB CPU - Memory: 2GB DDR4 Synology SDRAM - HDD Storage: 8TB (4 x 2TB) SATA III Solid State Drives for Ultra Fast Storage - Power: Single Power Supply - Operating System: Synology DSM Software - 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, 4K Multimedia Server Capabilities, Desktop Backup, Comprehensive Built-In Security Tools - NAS chassis comes in a sealed box. - Hard drives and memory upgrades included separately NOT installed, installation required.