Hello friends I want to review this hard disk WD my passport this is 1TB hard disk and I buy this hard disc from flipkart.com at 3999 this is very good hard disk for business use I use this hard disk from storing movies and I have a cyber cafe and I use hard disk everyday but does not connect it and stores above 545 GB but it does not show any notification of system and it is not hang and reading speed is very very good in this hard disk it looks like a small mobile 4 inches very very good made from WD if you are searching for good harddisk value for money then you can buy this