Synology RackStation RS1221+, made for a variety of server roles such as backup, virtualization, file storage, email servers, & domain controllers; sliding rail kit included for effortless server installation. Form Factor: NAS Rack Server Internal File System Format: EXT4, Btrfs Ports: 4 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x eSATA Port Processor: Ryzen V1500B 4-Core 2.2GH z CPU Memory: 32GB DDR4 ECC SODIMM File Storage: 32TB (8 x 4TB) SATA 2.5" SSDs for High-Speed Storage Power: Single Power Supply Operating System: Synology DSM Software Features: iSCSI Target Protocol, Virtual Machine Manager, MailPlus, Central Management System, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server, Active Backup, Synology Drive, Surveillance Station, Collaboration Suite, & many more Comes in a sealed box. Hard drives & memory upgrades included separately NOT installed, installation required.