USB flash memory, also being nicknamed USB flash drive, flash memory
pen, USB flashdrive, USB pen drives, USB flash pen disk, USB key drive,
is a popular, innovative and small USB storage device consisting
of a NAND type flash memory chip integrated with a USB interface. USB flash
memory's storage capacities range from 64 MB to 128 GB with steady
improvements in size and price per gigabyte. The newest generation of USB flash
memory uses USB 2.0 interface. Currently, the most popular USB 2.0 flash memory drives
come in sizes of 4GB to 32GB. USB flash memory pen drives are great data backup
devices. They can also be used as media for transferring data between different computers.
Most USB flash memory pen drives come with hooks so they can be easily
attached to a key chain (USB key drive) or simply clipped in the pocket
like a pen (USB pendrive). As USB flash memory drives don't contain any
mechanical parts, they are more durable than traditional hard disk
drives. So, USB flash drives are considered as convenient and reliable storage devices.