4TB CipherShield USB 3.0 256-bit Hardware Encrypted External Drive (Single Drive)

Buslink DSC-320-U2 CipherShield On-the-Go 320GB USB 2.0 Hispeed Real-Time Hardware Encrypt/Decrypt 128Bit AES HIPAA Certified

BUSlink 640GB CipherShield 256-Bit USB 2.0 Slimline Drive HIPPA NIST certified

Buslink DSC-640-U3 CipherShield On-the-Go 640GB USB 3.0 Superspeed Real-Time Hardware Encrypt/Decrypt 128Bit AES HIPAA Certified