This ultra-small and thin USB 3.1 drive provides extra capacity to save or transfer files between devices at light-fast speeds. The 32GB, 64GB, 128GB, and 256GB versions allow you to transfer full-length movies in less than 30 seconds and offer write speeds up to 15 times faster than regular USB 2.0 sticks. Keeping your files safe is just as easy – the included SanDisk SecureAccess software includes password protection and 128-bit encryption to protect sensitive files. All SanDisk products are made to the highest standards and rigorously tested. You can trust the exceptional quality, performance, and reliability of every SanDisk product.