Lenovo harddisk f 309 1 tab is very good. It keeps our data safe and secure .many harddisk available in the market.but I like lenovo more and more.brcause its patternis very good. Today is computer very necessary to our life .without cumputer there are no enjoy in our life .computer is very necessary for banking download and play game.it also use in download and play videos .it also use in photography.it keep our data safe and secure .before computer we can not keep our data safe .because it spoil indust and old. .lenovo hard disk is the best because its use very easy and secure. Ok