Speed Up to 400MB / s read speed for USB 3.1, the write speed is lower than the read speed. 64gb is upto 200mbs, 128gb 300mbs and 256gb 400mbs. Files stay secure, anywhere you go. It works through it all with a waterproof, shock-proof, temperature-proof, magnet-proof, and X-ray-proof body, all backed by a 5-year limited warranty.
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