The IronKey 4GB Basic D200 USB 2.0 Flash Drive delivers cost-effective mobile data security with high performance and reliability. Designed specifically for the needs of sensitive military, government and enterprise networks, IronKey 4GB Basic D200 USB 2.0 Flash Drive protect data using strong hardware encryption, and the algorithm approved by the DoD for storing Top Secret data. Active anti-mail ware also stops USB mail ware from spreading to government networks and PCs.