Netac K390 1TB USB 3.0 Portable External Hard Drive Keypad Lock Hardware Encrypted Disk Independent Keypad Lock:Enter a 6 digit passcode to encrypt the data on the locked hard drive for double security AES 256-bit Hardware Encryption:Military grade standard,ensure the information secure International Standard USB 3.0 Interface:compatible with USB 2.0,maximum read speed up to 110mb/s Universal Wise Processor,Excellent performance with low comsumption The Gold Standard Body,Three dimensional Shock proof