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  1. #1

    Member Since
    Aug 02, 2012
    2011 iMac hard drive temperature query

    I'm currently using a mid 2011 27" iMac with a 1 TB Western Digital HDD. I recently downloaded the iStat Nano widget that allows me to monitor component temperatures.

    I have read on a few web pages that the optimal temperature range for a hard drive is roughly 35 - 40 C (95 - 104F) but my iMac's hard drive when merely editing a word document settles at around 43C (109,4F) and when I start browsing the web or doing some light transferring of files, it goes up to about 46-49C (114,8 - 120,2F) and sometimes even slightly above 50C. Is this normal? Should I be worried? And is there something I can do to keep my hard drive temperature down?


  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac, i7 4GHz, 32GB memory, 1TB Blade Drive, OS X.13.4
    G'day and welcome to the forums.

    My iMac currently is at 34C but it is the midst of winter with an ambient temperature of 15. If you are in the northern hemisphere experiencing summer may well be about correct. Have a look at this link:-

    Surprised the 1TB drive mine is not a Seagate Barracuda 7200rpm. Shows in Apple System Profiler as ST31000528AS.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  3. #3

    Member Since
    Aug 02, 2012
    Thanks for the welcome!

    I'm also in the southern hemisphere, South Africa. The ambient temperature is currently 11 degrees celcius.

    Thanks, I'll have a look at the link.

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