Zalman AES USB 3.0 External 2.5" Hard Drive Enclosure SATA III (ZM-SHE350) Adopted by the U.S. government Top Secret AES 256bit Encryption algorithm. 4~8 digit PIN input, over 100 million passwords combination. Power: USB / HDD: 2.5 inch SATA I, II, II HDD/SSD (Max 9.5mm thickness HDD) / Interface: USB 3.0 & 2.0 compatible / Dimension & Weight: 78(W)x135(H)x16(D)mm, 75g w/o HDD Five LED indicator lights to show password input and status of ZM-SHE350. ZM-SHE350 encrypts the entire HDD, your information is protect from theft or lost of the HDD. Doesn't require any software to set up encryption. Plug-n-Play device. Independent and real-time hardware Encryption, compatible with any device supporting UBS host.