This stylish, portable flash drive from SanDisk offers fast transfer speeds - up to 100MB/s read speed - and is USB 3.0 enabled as well as being USB 2.0 compatible.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.This SanDisk Ultra flash drive memory stick comes with a manufacturer five-year limited warranty.SpecificationsCapacity: 64GBPerformance/speed: Transfer speeds up to 100MB/s, write speeds lower Dimensions: 56.8 x 21.3 x 10.8mm (2.24 x 0.84 x 0.43") Operating temperature: 0 to 45C (32-113F) Storage temperature: -10 to 70C (0 to 158F) Compatibility: USB 3.0 (backwards compatible with USB 2.0) Password protection uses 128-bit AES encryption and is supported by Windows 10, 8, 7, Vista and Mac OS X 10.6+ (software download required for Mac, see www.SanDisk.com/SecureAccess) *Movie download time 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 factorsSome capacity is used for formatting & other functions. 1GB = 1,000,000,000 bytes. Some operating systems measure GB differently, so capacity may appear less. . Speed may vary with operating conditions.What's includedSandisk Ultra USB 3.0 flash drive memory stick 100 MB/s - 64GB