1. Password protection uses 128-bit AES encryption and is supported by Windows® 7, Windows 8, Windows 10, and Mac OS X 10.9+ (Software download required for Mac, see www.SanDisk.com/SecureAccess)CHINA ONLY: Password protection is supported by Windows® 7, Windows 8, Windows 10, and Mac OS X 10.9+ (Software download required for Mac, see www.SanDisk.com/SecureAccess)
2. See www.sandisk.com/wug
3. 1GB=1,000,000,000 bytes. Actual user storage less.
4. (for 32GB, 64GB, 128GB, 256GB & 512GB) Write to drive up to 15x faster than standard USB 2.0 drives (4MB/s); up to 150MB/s read speed. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes. (for 16GB) Read speed up to 130MB/s; write speeds lower, vary by capacity. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes.

Third-Party Notices:
This product may include or use the following open source software subject to the following open source licenses. If required by the applicable open source license, Western Digital may provide the open source code to you on request either electronically or on a physical storage medium for a charge covering the cost of performing such distribution, which may include the cost of media, shipping, and handling.
CRC Implementation Code in C https://barrgroup.com/embedded-systems/how-to/crc-calculation-c-code

Copyright (c) 2000 by Michael Barr. This software is placed into the public domain and may be used for any purpose. However, this notice must not be changed or removed and no warranty is either expressed or implied by its publication or distribution.