10 mins does sound a little quick?
I can say from experiencing, 20 mins in the freezer for a bare 3.5 or 2.5 HDD would give about 5 mins of "quick, find important stuff" time...
>_last ditch method for pulling files off a dying HDD_ Before pulling it apart and and putting the platters in an identical donor drive. (Dam IBM DEATHSTAR drives back in the day!)