I bought seagate 1Tb external hardisk for my pc data backup which was very help full for me and even I have stored lots of data in the hardisk I have been using tge hardiak from past 2 years without any defect in it and I do carry it with me where ever I need I have stored many bollywood movies in it when ever I go to my native place I never get bored as I just attach it to my lappy and watch movies the hardisk helps me in keeping my lappy free of space which helps the lappy to work smooth to and all my memories of picnic etc are stored in it safe