I am very disappointed in this article because he laché after 2 and a half months without being able to recover the data. Windows told me not because of an I / O error. After several CHKDSK and formatting, the transfer rate increased from 15Mb / s to 1Mb / s. The worst is that I can not even return. For a first external hard drive Western Digital (recommended by friends), I am very disappointed, I thought that buying a hard drive quality and a good brand more than a known site ...