Apricorn Aegis Padlock DT 256-Bit AES-XTS Encryption External Hard Drive 6TB ADT3PL256F6000EMQuickly and effortlessly secure large amounts of sensitive data with the Aegis Padlock DT, the ultimate desktop hard drive secure storage system. With its onboard keypad, software free authentication and operation, the Aegis Padlock DT is a smart choice for secure backup and archiving. The hard drive has Military Grade FIPS PUB 197 Validated Encryption, featuring 256 bit hardware encryption, the Aegis Padlock seamlessly encrypts all data on the drive