TransMemoryTM USB flash memory has the following features.TransMemoryTM employing Toshiba"s NAND flash memory. It can be used as a removable disk for a personal computer.The Security software adds password protection to the TransMemoryTM U2P series.TransMemoryTM U2P series is bus-powered. AC power adapter is not required.Manual for this product can be found athttp://www.toshiba-memory.com/docs/Security_Installation_Manual_U2PAsagiri_LatestVersion.pdfNotes:1: The Product is labeled based on the memory chip(s) it contains, not the amount of memory capacity available for data storage by the end user. Part of the capacity is reserved for product functionality. Minimum consumer-usable memory capacity is approximately 3,808 MB. 2: Read and write speed may vary depending on user-specific conditions such as devices used and file sizes read or written. The speed may decrease if multiple small files are written to the Product.