Encryption option Travelstar 5K1000 is the seventh generation self-encrypting drive (SED) to feature Hitachis Bulk Data Encryption. The SED encrypts data using protected keys in real time providing users the highest level of data protection available. It also speeds and simplifies drive re-purposing. By deleting the encryption key the data on the drive is rendered unreadable thereby eliminating the need for time-consuming data-overwrite. For information about the SED models designed to the Trusted Computing Group (TCG) Opal Storage Security specification please contact your Hitachi representative.