The WD Elements 500 GB you get a really cheap way to secure their data. This is exactly why I bought you and am very satisfied. If one is clear the USB hard drives are not suitable for software installations, then it is served well here. The heat development is perfectly normal and should not present any problems in continuous operation. The downloadable from the Internet "WD spindown / Stop Utility" is handy if you want to enjoy a little rest time of the plate in the summer. Moreover, for all miss the power switch which: Turns Just have just the power completely off if you do not need the equipment. So you can save a lot of energy.