IronKey Enterprise S1000 16GB Encrypted USB 3.0 FIPS Level 3 Flash Drive Safely store up to 16GB of files and documents - twice the capacity of other IronKey USB 2.0 flash drivesSelf-defending IronKey Enterprise S1000 uses hardware-based protection to keep encryption key management on the device and away from potential exposuresIronKey Enterprise S1000 flash drives automatically detect and respond to physical tamperingIronKey Enterprise flash drive requires an EM Service License for activation (not included)