Hey Friends, This hard plate is exceptionally pleasant and it’s stockpiling force is extremely good.Sony organization made a decent item and they give great execution. Sony 1 tb wired outer hard plate is great result of sony it is my own experience that impart to you since I am utilizing it. The capasity of this harddisk is 1 tb. Which is work extremely smooth and quick. The model number of this item is HD-B1. The conectivity of this hard plate is USB 3.0 AND USB 2.0 The exchange speed of this harddisk with USB 3.0 and 2.0 is 5GBPS and 480 MBPS separately. Much obliged to you