CipherChain ExpressCard allows notebook users to secure external hard drive/SSD with AES 256-bit hardware encryption. Designed to be installed into notebook's ExpressCard 34/54 slot, unit adds eSATA port that encrypts any external eSATA hard drive or SSD when Cipher key is inserted. Port can also provide USB power to operate low power devices. Multiple keys are available with same key codes and card can also be set to operate in non-encryption mode.