I hav this product 500gb toshjba canvio v6 and I hav no complain about it.it is a good prodect which I have yes it is external power less porteble exyreamly light wet 2.0 and 3.0 usb conectivity around 20 to 80 mbbs of its data rate 2.0 and usb 3.0 respectively. toshiba is always promising and top leading brand its after cell service is also up to the mark. yes it is happy to bye