It is the best external storeage device which is encrypted with 200gb cloud storage and cost of it is economic so that it can be bought at price less than 5000 . So I have bought and I have been using for 3 years. It think the best storage device I have ever seen . It is the best valued product and best price and features. it has USB 3.0 which enhance the data transferring speed. I have checked this and the data transferring is 60 mbps.