1st I want tell people, seagate is famous and success in hard drive, this is branded quelity, I used seagate 1tb hard drive from 7 years but till today there is no any problem, super transfer speed, no any bed sectors and no any isue with seagate hard drive, I purchased 2nd seagate 1 tb hard drive before 1 years, I want tell you today also same quelity, thanks Seagate