I had taken it because it has 3 USB 3.0 ports, however, care must imperatively your PC delivers a lot of power to operate, for example 2 or 3 disc 2.5 self powered plug directly. What will work is 1 + usb 3.0 disk or usb stick by 3.0 carefree against .... But two disks do not work simultaneously with me because the laptop Tosh 2008 current lack of preconceptions. If you are like me you turned to Model 2 usb 3.0 ports + external power port.