My brother and me used lenovo hardisk for a long time but I did not like this hard disk as price point of view
Ghis is 3.0 usb support port and have fast transfer speed but after 3-4 month later I saw that its speed is realy not good as new .
Its transfer spped from hard disk to pc is 80 to 100 MBps but later it decreases to 40-50 MBps.
Its transfer speed from computer to hardisc is 100-120 MBPS BUT later it decreases to 30 -40 MBPS.
It have a led light for indication purpose.
And have a fan for cooling purpose .
I did not notice any hanging issue in this.