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18 Pipeline HD SATA Product Manual, Rev. B
Drive Specifications www.seagate.com
2.9 Environmental specifications
2.9.1 Drive case temperature
Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Drive
case temperature should be measured at the location indicated in
Figure 4.
2.9.2 Temperature gradient
Operating 20°C per hour (68°F per hour max), without
condensation
Nonoperating 30°C per hour (86°F per hour max)
2.9.3 Humidity
2.9.3.1 Relative humidity
Operating 5% to 95% noncondensing
(30% per hour max)
Nonoperating 5% to 95% noncondensing
(30% per hour max)
2.9.3.2 Wet bulb temperature
Operating 37.7°C (99.9°F max)
Nonoperating 40°C (104°F max)
2.9.4 Altitude
Operating –304.8m to 3048m (–1000 ft. to 10,000+ ft.)
Nonoperating –304.8m to 12,192m (–1000 ft. to 40,000+ ft.)
2.9.5 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.
2.9.5.1 Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum
operating shock of 80 Gs based on half-sine shock pulses of 2ms during read operations. Shocks should not be
repeated more than two times per second.
2.9.5.2 Nonoperating shock
Operating 0° to 75°C (32° to 167°F)
Nonoperating
–40° to 70°C (–40° to 158°F)