USB flash drives are portable devices that hold large amounts of data in a small package. These drives consist of a flash memory storage section attached to a USB connector. Many come preloaded with popular software such as Skype or games. They are most convenient for transporting data from one PC with USB ports to another.
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Secure USB flash drives are protected by hardware encryption, software encryption, biometric methods that require a fingerprint or even a physical combination lock.
Music USB flash drives play mp3s and can come with speakers or led displays.
USB flash drives can be turned into boot drives through a utility such as HP's drive key boot utility.
USB flash drives can differ in appearance from the common flat, finger-sized model to more elaborate designs.
Typically, the USB connector is covered by a removable cap, the connector retracts into the drive or an attached cover swings over the connector to protect it.