Get to your files 4 times faster than USB 2.0 drives with the faster performing SanDisk Ultra USB 3.0 Flash Drive. Transfer your favorite digital files with speeds up to 100 MB/sec. Plus, the included SanDisk SecureAccess software provides 128-bit file encryption and password protection for your private files while leaving the rest of the drive available for sharing. Read speeds up to 4 times faster than Cruzer USB 2.0 drive. USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1 megabyte (MB) = 1 million bytes. 1 GB=1, 000, 000, 000 bytes. Actual user storage less. Password protection uses 128-bit AES encryption and is supported by Windows XP, Windows Vista, Windows 7, Windows 8 and Mac OS X v10.5+ (Mac software requires download, see SanDisk website for details)