Rocstor Hawker HX 1TB Secure Encrypted Mobile (Pocket) Hard Drive USB 3.0 (2.0) and eSATA - Silver (C260P5-SL) Hardware encryption (not software imbedded in a chip) The cryptographic engine is NIST (National Institute of Standards and Technology) of USA and CSE (Communications Security Establishment) of Canada certified hardware AES (Advanced Encryption Standard) algorithm FIPS (US Federal Information Processing Standard) 140-2 Cryptographic Engine validated (FIPS Inside) Authentication: Secure key token No software or GUI involved or required installation (for encryption or authentication) Compatible with both Windows and Mac