A USB flash drive does not need rebooting after it is attached, requires no batteries or an external power supply and is not platform dependent. USB Flash drive is also available with additional features like password protection and down loadable drivers making it compatible. The USB connector protrudes and is safeguarded by a removal cap and a USB Flash drive uses a standard USB connection, which allows to be connected directly to the PC. Some high speed USB drives may require more power supply than provided by the bus powered USB hub. Therefore these drives will function when they are directly plugged into the self powered hub or the host controller. USB flash drives with 32 mega bytes or 64 giga bytes memory capacity is a feasible product regardless of the amount of material to be stored.
They have become so popular among students, teachers and corporate executives that it has taken a variety of designs to specifically complement its users or owners. From leather, wood, sheet metal to plastics, the designs and materials used for USB flash drive bodies and shells are limitless. For every personality, there will surely be a complementing USB design that will meet one's style preference. USB Port appears on almost every current mainstream PC and Laptop. USB flash drives use the USB Mass Storage Standard. To access the data stored on a USB flash drive, it must be connected to a PC and USB Flash drives becomes active only when plugged into a USB connection which is the source of power supply to the USB flash drive. A small portable flash memory card that is plugged into the computers' USB port, functions as a portable hard drive. USB flash drives are also called thumb drives, jump drives, key drives, pen drives or tokens.