Designed with a 500GB capacity and a USB 3.0 connection it features FIPS 140-2 Level 2 validation military-grade FIPS PUB 197 encryption and 256-bit AES-XTS encryption. Its keypad allows the drive to be accessed using a unique PIN while the drive is further protected using drive reset and auto-lock features as well as Brute Force Self-Destruct Variable Timing Circuit (VTC) technology and a water and dust resistant keypad. This drive is further protected from physical attacks using a tough epoxy coating while a wear resistant keypad helps hide key usage from potential hackers.This drive operates using USB bus power and is compatible with most operating systems including Windows Mac and Linux. While it is USB 3.0 compatible it is also compatible with USB 2.0 and 1.1. The Aegis Padlock Fortress is protected by a limited 3-year warranty and includes an integrated USB 3.0 cable a travel pouch and a Y-auxiliary USB 3.0 power cable. The Y-auxiliary cable helps to provide power by utilizing two USB ports when one port is not sufficient.