Rocstor Rocsecure DE51 15TB Encryption DAS Array &ndash; Real-time Hardware AES-256 Encryption Real-Time Hardware AES-256 Encryption AES-256 Real-Time Hardware Encryption with NIST and FIPS Validated Cryptographic Modules Large Capacity Storage Solutions, up to five 3.5" SATA hard drives One unique Rocstor Token Key for access to the Volume Encryption RAID Storage Built-in Hardware RAID 0, 1, 5, 10, or JBOD accelerator set for high performance access. (Not Software RAID) Drive Hot-Swap support. Incorporates SATA hard drive OS independent. Compatible with both Windows and Mac operating systems. Connect via eSATA or USB 3.0 port (Cables Included). Includes two (2) Rocstor Key Tokens