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2.6
Environmental limits
Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part.
Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F (14.8°C).
To maintain optimal performance drives should be run at nominal drive temperatures and humidity.
Note
2.6.1
Temperature
a. Operating
41°F to 140°F (5°C to 60°C) temperature range with a maximum temperature gradient of 36°F (20°C) per hour as reported by the
drive.
The maximum allowable drive reported temperature is 140°F (60°C).
Air flow may be required to achieve consistent nominal case temperature values (see
cooling is provided for the electronics and HDA, place the drive in its final mechanical configuration, and perform random write/
read operations. After the temperatures stabilize, measure the case temperature of the drive.
b. Non-operating
–40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 36°F (20°C) per hour. This specification assumes that
the drive is packaged in the shipping container designed by Seagate for use with drive.
2.6.2
Humidity
The values below assume that no condensation on the drive occurs. Maximum wet bulb temperature is 84.2°F (29°C).
2.6.2.1
Relative humidity
Operating:
5% to 95% non-condensing relative humidity with a maximum gradient of 20% per hour.
Non-operating:
5% to 95% non-condensing relative humidity with a maximum gradient of 20% per hour.
2.6.3
Effective Altitude (sea level)
Operating:
–304.8 m to 3048 m (–1000 ft. to 10,000+ ft.)
Non-operating:
–304.8 m to 12,192 m (–1000 ft. to 40,000+ ft.)
2.6.4
Shock and Vibration
Shock and vibration measurements specified in this document are made directly on the drive itself and applied in the X, Y, and Z axis at the drive
mounting point locations.
2.6.4.1
Shock
a. Operating
The drive will operate without error while subjected to intermittent shock pulses not exceeding 70 Gs (read) and 40 Gs (write) at a
duration of 2ms.
b. Non-operating
The drive will operate without non-recoverable errors after being subjected to shock pulses not exceeding 300g at a duration of
2ms.
Seagate Exos 7E8 SATA Product Manual, Rev. D
Section
3.4). To confirm that the required
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