Lenovo F310S 1TB is one of the best product to use.
It has a USB 3.0 external HDDF feature .
It is very ultra thin all metal caring.
It was actually very easy to carry out side become it was very thin and lightweight.
It has a maximum data transfer speed.
It has a powerful security backup which no one can hack it.
And I personaly admired it .
So I prefer lenovo F310S 1 TB.
IT HAS A CAPACITY OF 1 TB.
It has a anti current shocking system
And which has a anti static design.
And has anozoised aluminium .
PCB board is provided.
So kindly try to try it and get benifited.