We all the citizens of the earth may have to thank God to bring us living in this period of technology that allows us to enjoy the music in a small device called mp3, to watch movies in such a big screen in cinemas, to use mobile phones to call everywhere, to the internet that connects all the world into one network instantaneously. The work of technology seems to go through a rapid change that we do live in a very great world with smaller and smaller devices we can keep in pocket. One more result of the development of technology is the flash disk and external hard disk that allows us to keep abundant data and information in one only place, safe and secure, and we can recall anytime.

The newest development of data saving function comes from Western Digital, a company that provides us new devices called My Passport Essential, My Book Essential, and My Passport Essential SE.  They all arrive with the connectivity to USB 3.0.

The capacity is surprising. We can find them with the ability to save your data until 3 TB. The other choices, you can find with the capacity of 1 TB and 2 TB.