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There are programs on windows to really get into the detail specs of one's harddrive, such as how many hours has it been used for and stuff. Is there such app for Mac OS, Lion? Thanks

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More than likely the spec's you've seen are not OS specific but generic firmware style information which can be accessed through the manufacturors utilities usually loaded from a bootable CDROM or 'native' enviroment. Hiren's BOOT CD has alot of these. – HaydnWVN Dec 19 '11 at 8:59

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Lion's disk utility can display a lot of this information, although it shows the raw hexadecimal values without interpretation. To get it, run Disk Utility, select the drive from the sidebar (not the volume under it), and click the Info button in the toolbar.

Example info window

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This is great, thanks – Will Dec 20 '11 at 13:35
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I'm not sure it can provide information like hours used, but the System Information under utilities is helpful:

enter image description here

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thanks for answering :) – Will Dec 20 '11 at 13:35
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Smart Utility (shareware) can do that.

Disk Radar (shareware) is also capable of displaying SMART information, although it's primarily a "Show me how my disk space is used" utility.

SMART Reporter is free, but doesn't really show a lot of information. It focuses on alerting you when some of the values (pre-fail) indicate an impending problem.

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thanks for answering :) – Will Dec 20 '11 at 13:35

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