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18 Constellation ES Serial ATA Product Manual, Rev. G
3.9.2 Humidity
3.9.2.1 Relative humidity
Operating: 5% to 90% noncondensing (30% per hour max)
Nonoperating: 5% to 95% noncondensing (30% per hour max)
3.9.3 Altitude
Operating: –60.96 m to 3,048 m (–200 ft. to 10,000+ ft.)
Nonoperating: –60.96 m to 12,192 m (–200 ft. to 40,000+ ft.)
3.9.4 Shock
All shock specifications assume that th
e 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.
3.9.4.1 Operating shock
These drives comply with the pe
rformance levels specified in this document when subjected to a maximum
operating shock of 70 Gs (read) and 40 Gs (write) based on half-sine shock pulses of 2ms. Shocks should not
be repeated more than two times per second.
3.9.4.2 Nonoperating shock
1TB and 500GB models
The nonoperating shock level that the drive can experien
ce without incurring physical damage or degradation
in performance when subsequently put into operation is 350 Gs based on a nonrepetitive half-sine shock pulse
of 2ms duration.
2TB models
The nonoperating shock level that the drive can experien
ce without incurring physical damage or degradation
in performance when subsequently put into operation is 300 Gs based on a nonrepetitive half-sine shock pulse
of 2ms duration.