The IronKey comes in the following three versions:
(for military and restricted enterprise users) - Designed for environments with strict limits on third-party software and external connectivity. IronKey basic is only configured with Secure Backup software, and no means for accessing external networks.
(for individual use) - Has all of the benefits of IronKey basic PLUS a suite of security applications and services
(for enterprise users) - Can be controlled and managed by an enterprise system administrator