Netac, 15 years focus on mobile storage R&D, inventor of the world's first USB flash drive, Chinese first mobile storage stock. USB 3.0 Super Speed. Super Speed USB 3.0 interface provides transfer speeds at least 3X faster than USB 2.0 devices. USB 3.0 interface significantly increases the data transfer speed for large media files and dramatically minimizes the waiting time for backup and recovery processes. What is more, it's backwards compatible with USB 2.0 slots. Netac's USB 3.0 flash drive is an ideal storage device for storage, everyday backup, and file exchange. Hardware Write Protection Switch. Simply switch on this function to protect your drive from virus threat or tampering.