Sony 1 tb wired external hard disk is very good product of sony it is my personal experience that share with you because I am using it.
The capasity of this harddisk is 1 tb. Which is work very smooth and fast.
The model number of this product is HD-B1.
The conectivity of this hard disk is USB 3.0 AND USB 2.0
The transfer speed of this harddisk with USB 3.0 and 2.0 is 5GBPS and 480 MBPS respectevely.
Weigh of this harddisk is 180 gm and 3 years domestic warranty this is nice 1 external harddisk in the renge of 6700rs.