The Sentry K300 is a platform independent, Keypad, micro SSD drive that incorporates an OLED display to enable advanced security features. The display supports True alpha-numeric password-based authentication and a full featured on-board menu system. Users can use the visual, menu driven system to change passwords, set the password policy, and enable other security features without ever Consulting a manual. The Sentry K300 is completely cross-platform compatible and os agnostic. With no software or special drivers required, The K300 works with Windows, Linux, Mac OS, Android phones and tablets, Chromebooks, and embedded systems - any system that can utilize USB mass storage. Since the K300 also has its own power supply, The device can be used as a bootable device running Windows to go, or a portable Linux operating system.