Imation Defender H100 500GB USB 2.0 Portable External Hard Drive: * Capacity: 500GB * USB 2.0 * FIPS 140-2, level 3 validation * AES 256-bit encryption implemented in CBC mode * One-factor authentication includes administrative controls to manage up to 10 users and robust support for complex and custom password policies * System compatibility: Windows XP/Vista/7 and Mac OS 10.5 or higher (Intel based only)