My Book - power supply ON 24/7

[ERmorel]

Hi,

Other users were asking the same question see if this helps.

http://community.wd.com/t5/External-Drives-for-PC/Question-on-running-WD-My-Book-Essential-1-TB-USB-3-0/m-p/539660/highlight/true#M15616

Personal opinion on this case.

If the drive will be well ventilated, you should’t have any issues.