Custom built for people who need to move huge files fast, the SanDisk Extreme PRO USB 3.2 Solid State Flash Drive delivers maximum performance so you can set your own pace. This over-achiever boasts blazing-fast speeds up to 420MB/s read and up to 380MB/s write and comes in an elegant yet durable metal casing so you can grab it and go without worrying about everyday wear and tear. Security features(3)(4) backward compatibility and a range of capacities up to 1TB combine to give you peace of mind and flexibility no matter where your passion takes you. The SanDisk Extreme PRO USB 3.2 Flash Drive is the perfect tool for creators and doers who demand premium performance. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user capacity may be less, depending on operating environment. Read speeds up to 420MB/s, write speeds up to 380MB/s. USB 3.2 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1,000,000 bytes. (3)Password protection uses 128-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, see official SanDisk website for more details).(4)Registration required; terms and conditions apply.