Shock; Vibration - Seagate SKYHAWK ST4000VX005 Product Manual

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2.8.5 Shock

All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting
screws. Shock may be applied in the X, Y or Z axis.
2.8.5.1 Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum operating
shock of 80 Gs (read) / 70 Gs (write) based on half-sine shock pulses of 2ms during read operations. Shocks should not be
repeated more than two times per second.
2.8.5.2 Non-operating shock
8TB, 6TB & 4TB - 3TB
The non-operating shock level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 300 Gs based on a non-repetitive half-sine shock pulse of
2ms duration.
2TB - 1TB
The non-operating shock level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 350 Gs based on a non-repetitive half-sine shock pulse of
2ms duration.

2.8.6 Vibration

All vibration specifications assume that the drive is mounted securely with the input vibration applied at the drive
mounting screws. Vibration may be applied in the X, Y or Z axis. Throughput may vary if improperly mounted.
2.8.6.1 Operating vibration
The maximum vibration levels that the drive may experience while meeting the performance standards specified in this
document are specified below.
10Hz to 22Hz
22Hz to 350Hz
350Hz to 500Hz
2.8.6.2 Non-operating vibration
The maximum non-operating vibration levels that the drive may experience without incurring physical damage or
degradation in performance when subsequently put into operation are specified below.
5Hz to 22Hz
22Hz to 350Hz
350Hz to 500Hz
Seagate SkyHawk Product Manual, Rev. C
0.25 Gs (Limited displacement)
0.50 Gs
0.25 Gs
3.0 Gs (Limited displacement)
3.0 Gs
3.0 Gs
Drive Specifications
17