This hard disk very use full with USB 3.0 .Tihis hard disk is the best.I have been using it for more than one 1 mounth it works perfect and the 3.0 USB boost the file traansfer speed .The hard disk is perfect in fast file transferring big data like movies, games, and mainly to backup large files.thats amazing with USB3.0. and I thanks full to TOSHIBA.and the hard disk dimension is 7.9 x 11.9 x 1.7 cm.
but I am not satisfied with design, bcz this not looks cool.only one plus point is about its speed of file transffering.so if you want to buy for fast file trasffering, then U CAN.thank you.