Form Factor: NAS Rackmount Server Internal File System Format: EXT4, Btrfs Ports: 4 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.2 Port; 1 x eSATA Port Processor: Ryzen V1500B -Core 2.2GH z 4MB CPU Memory: 32GB DDR4 PC4-21300 2666MHz SO-DIM Ms File Storage: 176TB (8 x 22TB) SATA 3.5" HDDs for High-Capacity Storage Power: Redundant Power Supply Operating System: Synology DSM Software Operating System Features: iSCSI Target Protocol, Virtual Machine Manager, Synology High Availability, Synology MailPlus, Central Management System, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Active Backup for and Windows, Synology Drive, Active Backup for Office 365 and G Suite, Surveillance Station role, Collaboration Suite, and many more Included Accessories: Synology Rail Kit NAS chassis comes in a sealed box. Hard drives and memory upgrades included separately not installed, installation required.