Sony 1 Tb wired hard disk is very good product product , my personal experience from this product is very very good. I used this product since a long , it is very easy to use as it is consume by everybody. Its transfer speed is also very good. When I use this product to tranfer my files to my computer it transfer the data much faster then other brands hard disk as it provide 3.0 port which gives around 40-50 mbps speed to its user, which saves the precious time of its user, this product help the business mans , students to tranfer the data much faster