SanDisk Ultra Flair USB 3.0 256GB – SDCZ73-256G-G46 descriptions

• High-speed USB 3.0
  performance of up to 150MB/s(1) [(1) Write to drive up to 15x faster
  than standard USB 2.0 drives (4MB/s); varies by drive capacity. Up to
  150MB/s read speed. USB 3.0 port required. Based on internal testing;
  performance may be lower depending on host device, usage conditions, and
  other factors; 1MB=1,000,000 bytes]
• Transfer a
  full-length movie in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4
  video transfer with USB 3.0 host device. Results may vary based on host
  device, file attributes and other factors]
• Transfer to drive up to 15 times faster than standard USB 2.0 drives(1)
• Sleek, durable metal casing
• Easy-to-use
  password protection for your private files(3) [(3)Password protection
  uses 128-bit AES encryption and is supported by Windows 7, Windows 8,
  Windows 10, and Mac OS X v10.9 plus; Software download required for Mac,
  visit the SanDisk SecureAccess support page]
• Share your movies
  or music, but rest assured that private files can stay private.
  Easy-to-use password protection lets you limit who sees certain files.