The Diskgenie is a portable hard disk with a number keypad on one side. This is used to enter a code to access the files on the disk. In fact, until the user types the code and presses the unlock key, the computer won't even recognise there's a disk plugged in. The device uses strong encryption to scramble what's on its internal disk, so even if someone were to remove it and try to install it in a computer the files would still be safe. Transfer speeds were not affected by the security process - it was about as fast as a standard USB disk.
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