Synology DiskStation DS420j is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads. RTD1296 4-Core 1.4GHz CPU; 1GB DDR4 non-ECC Memory; 16TB (4 x 4TB) SATA 2.5' SSDs for Ultra-Fast Storage; 1 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; EXT4 File System for Advanced LUN iSCSI Service Ideal for VM and container storage, lightning-fast file sharing, surveillance, and editing high-quality video, with powerful storage management, syncing, and backup software. Synology NAS chassis comes in a sealed box. Hard drives and memory upgrades included separately, NOT installed, installation required.