Protects private files with SanDisk(R) SecureAccess(TM) software; Password protection uses 128-bit AES encryption & is supported by Windows(R) XP, Vista(R), 7, 8 & Mac OS(R) X v10.5+ ; USB 3.0-enabled & USB 2.0-compatible ; Read speeds up to 80MBs; 32GB Length: 6.00" Width: 4.00" Height: 0.40"