I am having less storage in my computer around 500 gb only.so I thought I have to buy a 1 tb external hard drive.and I brought this device.and this device is very superb.because it give me lots of storage from external.most of my movie photo.files I store into this hard drive.and I keep it with my self. when ever I go to my frnd relation house I take it with my self.i watch movie in their device.with the help of external device.it is very usefull and many of the external drive have lag and slow process but this one very nice and good one.buy this and try this.u will get great.experience. of hard drive.