Western Digital(WD) 1TB Portable External Hard drive is one of the best product which I have. It is better than all available in market because of its transfer speed and its read/write speed.It is also light weighted as 159g. it is good then internal because you want sata cables for using purpose of internal disk drive. You can easily carry it in your bag. It actually gives you space of 931GB to store. most of WD Hard drives are made in malaysia.Western Digital Company found in 1970. So they are providing services from last 46 years. You can also give it to your best friends and relatives as a gifting purpose. It is a must needed product for those who wants to carry large amount of data in GBs. It can be also used as back-up device. One can easily take back-up of his/her PC/laptop. It is very useful when you are formatting you device. Western Digital is very well-known brand in electronics since many years. If You buying another product instead of it You may get suffer from slow data transfer and another functions like Security, Speed Rate, and etc. problems You Should take this because it is coming with a quality brand Western Digital. Dimension wise also good Comparatively with others.I am using this product from last 3-4 months and I am fully satisfied with it.If you are thinking to buy a passport size 1TB Hard drive then it is best for you.If birthday of your friend is coming and you want to give him/her your best wishes then gift it.If you will buy it you will get 4 different apps for this WD product.applications are WD Services, WD Security, WD Status and WD Settings.Company is also providing security mechanism to your Western Digital Hard Drive.You can use this drives at any place at home, college, office or at any place you visited.After all this conversation I am also thinking to gift this Western Digital Product to my brothers.Don’t miss this opportunity.Its a best product which is most useful when you want to increase your storage capacity or want to transfer large amount of data.Big Surprize coming in Small Packets. Don’t think twice Grab This Opportunity.