I bught seagate 1 TB hard disk . This is good but after useing one year this drive have many problem like that some time my os is corrept and some time computer not show hard disk Not only this some time hard disk not formet properly and faceing hanging problem .After one year when I go to the that shop then shop man advice me change this hard disk and you buy a new hard disk because you expend some mony for this hard disk but this is not any warrenty