USB 3.0 enabled (USB 2.0 compatible) - up to 10x faster than standard USB 2.0 Transfer a full-length movie in less than 40 seconds Password-protects and encrypts private files with SanDisk SecureAccess software Available in 16 GB, 32 GB, 64 GB, 128 GB and 256 GB capacities Operating temperature 0 degree to 45 degree in Celsius. Storage temperature minus 10 degree to 70 degree in Celsius