I have purchase this hardisk online.I used this hdd as always connected with my pc.Its design & speed is good.Its carry case is also good.
After using it for 60 days, the hdd did not working & then I talk to wd customer service and they arrange the pickup with in 3 days & after 2 weeks I got the new hdd from wd .Warranty is for 5 years.I think this is the best customer service I got.I recommend everyone to purchase this hdd