As data storage capacities increase and media becomes more compact and mobile, the risk of lost or stolen data also increases. Ciphertex CX-2500E external 2.5" drive solution eliminates this risk. Encrypted Data Security with AES 256-bit encryption drive data is absolutely secure. And, instead of slow software encryption the CX-2500E is hardware-encrypted for full speed performance. Encryption/decryption effectively relays SATA data commands to and from the drive in "real time".