An external hard drive is a device used to store and retrieve digital data. For an external storage device to be ideal, it must have good storage capacity, portability, and compatibility and be able to protect the data safely. The external hard drive can be of various storage capacities out of which the 1Tb external hard drive outstands them all. The biggest plus point of the 1Tb external hard drive is its storage capacity. 1Tb external HDD provides a large storage capacity at the lowest prices. It is quite portable and easy to use, and more importantly it assures that your data is safe.