USB Flash Drives offer several advantages over other portable storage devices like floppy disks in as much as they are more compact and faster can hold more data storage are more reliable due to their lack of moving parts and have a durable design. USB Port appears on almost every current mainstream PC and Laptop. USB flash drives use the USB Mass Storage Standard.

A USB Flash drive consists of small printed circuit board in a plastic or metal casing and so, USB Flash drive is sturdy enough to be carried in a pocket. 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.

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.

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.

Each USB flash drive has three components – a male type A connector (to interface with a hosting computer system), the USB mass storage controller (to store and balance the information to encrypt, transfer and decode very quickly) and a crystal oscillator (to give the best quality output).

USB Flash drive has a small circuit board and secure case to prevent damage to the circuit board. The end of the USB Flash drive is simply inserted to a port on the computer and can access the information as long as the computer is connected to a USB hub. The USB flash drive is a fast and convenient way to save and transfer the data. 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.

With USB flash drive even when the device is unplugged from the computer or when the computer is powered down with the drive left in, the data is retained for longer periods. This makes the USB Flash drive convenient for transferring data between the notebook computer and a desktop computer.

USB Flash drives are available at computer retailers or on Internet.