I mean buffalo ministation harddisk is a risky thing to buy.once I bought my motive was to transfer all my data of laptop to shift and format my laptop.trusting my frnds reference I bought dis particular harrdrive I bought because the cost was also reliable but finally after all d wfforts to transfer the data I found harrftive got crash.but I had made all my backup of imp.data in my gmail orherwise I would have lost it