Take your storage to the extreme with the 128GB Extreme Go USB 3.1 Gen 1 Flash Drivefrom SanDisk. This high-speed flash drive features a USB 3.1 Gen-2 interface complete with data read speeds of up to 200 MB/s and data write speeds of up to 150 MB/s making it easy to transfer large files such as 4K movies in a little as 40 seconds. While this drive supports USB 3.1 Gen 1 connectivity, it remains backwards compatible with USB 2.0 ports. To ensure your stored files remain secure, SanDisk has included with this flash drive a copy of its SecureAccess software featuring 128-bit AES file encryption and password protection.