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shock rating

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A measurement of a device's ability to withstand being dropped or banged into. Measured in Gs (acceleration), the average desktop hard disk rates between 100 and 200 Gs in a non-operating state. This means it can be dropped from an inch to a foot without damage. It all depends on the type of surface the machine lands on; for example, a plush rug vs. a concrete floor.

Laptop drives have a higher G rating, and extremely ruggedized drives can measure up to 10,000 Gs, which means the computer could literally be thrown across a room. When comparing, be sure the measurements are the same: operating vs. operating, non-operating vs. non-operating. When in use, the drive is much more vulnerable.
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8 Mbit/sec and the highest shock rating of 700 G/1 ms.
NEW HIGH CAPACITY 32 GB 5400 RPM DRIVE FOR APPLE POWERBOOKS G3 & PC ... by EDP Weekly's IT Monitor
Current desktop hard disk drives typically have only a 200-G shock rating, which is equal to a 1-inch drop.
The Return Of Removable Hard Disk Drive Architecture by Kaczeus, Steven L. / Computer Technology Review
The need for highly reliable and robust accelerometers is growing and MEMSIC is demonstrating its leadership in the industry for the third consecutive year with the highest shock rating and single digit PPM failure rate compared to the orders of magnitude higher PPM failure rate by competing technologies.
MEMSIC Obtains Single-Digit Failure Rate for the 3rd Consecutive Year by Business Wire
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