沒掛過, but

WD MOBILE HD
工作狀態下 250 G，閒置 900 G.
http://www.wdc.com/ch/products/Prod...102&Language=ch

desktop hard disk
工作狀態下 5 G??，閒置 200G.?

Current desktop hard disk drives typically have only a 200-G shock rating which is equal to a 1-inch drop.
http://www.storagesearch.com/datazoneart.html

now my 3 5.25" HD boxs will stay on desk,not moving around anymore.