U-disk, full name "USB flash drive", the English name "USB flash disk". It is a USB drive without the physical micro-high-capacity mobile storage products can be connected to the computer via the USB interface, plug and play. U disk from Netac company called the first of a new type of storage device, the name "USB", using the USB interface connection. Even the USB interface to PC host, U disk data can be exchanged with the computer. And after the production of similar technology equipment as Netac patent has been registered, can no longer call "USB", and renamed the homonym of "U disk." U disk was easy to remember this name because it is widely known, but until now has both common, and they are no longer to distinguish one mobile storage devices.
