Hitachi 7K80 - Deskstar - Hard Drive - 8.0 General; 8.1 Introduction; 8.3 Deviations from standard

Deskstar 7K80 Hard Disk Drive Specification
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7.6.4.2 Sinusoidal shock wave
The shape is approximately half-sine pulse. The figure below shows the maximum acceleration level and duration.
7.6.5 Nonoperating rotational shock
All shock inputs shall be applied around the actuator pivot axis.
Table 52: Rotational shock
Table 51: Sinusoidal shock wave
Acceleration level (G) Duration (ms)
350 2
150 11
Duration Rad/s
2
1 ms 30,000
2 ms 20,000