Can you tell me how many hours your hard disk or Solid State Disk has been running and how many times it has been powered on since you started using it in your computer ? My Samsung 1 TB hard drive was powered on 106 times and active for 814 hours since I build my new computer a few months ago.
How I know that ? I looked it up in the software Crystal Disk Info. This software basically displays all kind of information about hard drives and Solid State Disks and two that are not displayed in every other of that type are the two I mentioned above.
It does display all the usual information as well. Begins with the hard disk temperature, serial number, transfer mode, drive letters and supported features among other parameters. Two of the aforementioned parameters are worth a closer look if you are experiencing crashes or slow downs.

The temperature of the hard drive can be a cause for system crashes. It if goes to high it can lead to data loss and errors. The transfer mode can be interesting if you think that your hard drive is not as fast as it should be. Check the supported transfer modes of your drive and compare them to the one that is currently being used for it. It might very well be that it’s not the fastest available.
Crystal Disk Info is a portable application that is compatible to Windows 2000, XP, Vista and Windows Server 2003 / 2008.
Related posts:
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Should You Defragment A SSD?
Solid State Hard Drives
Check your Hard Drives with HD Tune
Got A Slow SSD? Try FlashFire To Speed Things Up
18 Responses to “How many hours have your hard disks been running ?”
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[...] contatore collegati al pulsante d’accensione del computer. Ok facciamo i seri. Ho scoperto su gHacks che esiste un software, Crystal Disk Info, in grado di mostrare tutte le informazioni relative ai [...]
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[...] ghacks Shto [...]
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[...] Crystal Disk Info has been covered before at Ghacks as a tool to display the hours a hard drive has been running. The hard drive diagnostic tool can do a lot more than that however but more about that later in the article. The software program is a portable application that can immediately displays information about connected hard drives (IDE, SATA and SSD) like the current transfer mode, the power on count and the power on hours. [...]
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[...] drive utility for Windows that displays a variety of information about a hard disk drive. “Hard Drive Diagnostic Tool Crystal Disk Info” by Martin of gHacks.net shows you the various bits you can check out in order to assess the [...]


My notebook hard disk was powered on 886 times and active 3615h. As it’s about a year old that’s more than i thought.
Cagliostro that’s a lot for a year I think ;)
It don’t works with my 2×250 sata raid :(
3,8 years on my side.
28781 hours for mine. Too lazy to look for purchase date, around 3+ years.
>23C
Are you keeping yours in the freezer?.. :)
>The temperature of the hard drive can be a cause for system crashes. It if goes to high it can lead to data loss and errors.
Dumb IT mythology. I hadn’t ever seen HDD dead from thermal damage alone. You must practically fry it by running at 60+C to achieve overheat. Anything up to 50C is pretty comfortable temperature for HDD and it’s hard to get more in average computer case.
Rarst it was shortly after system boot :)
Don’t need no steenkin software to tell me :)
My harddrives are 24/7. That’s also why I no longer buy Western Digitals. They just plain sucks – built to crash.
My Raptor has done 8451 hours.
interesting that my greenpower drive run’s a degree hotter than my raptor, but quite good when you factor that the green power is a 4 platter 1Tb drive the Raptor is of course single platter 36Gb drive.
My my…
2248 hours and 284 power ups for about 5 months, I need to use it less ???
I’ve tested it on 3 PCs and got always strange results, like this one… (link to image)
That’s damn hot Litschi :)
for me too, strange result for Power on Hours : 64?hours
but it saids “caution” for my first hard drive, and I know that it’s true (power on count : 2549)
Duh… downloading from their site is failing…:
Error in download_count on line 16.
./abcd/CrystalDiskInfo20.zip is already defined.
Well, maybe next time…
something wrong with their download page
here’s the direct link
http://release.crystaldew.info/abcd/CrystalDiskInfo20.zip