Seagate ST31000528AS, ST3160318AS, ST3250318AS, ST3320418AS manual Environmental specifications

2.8Environmental specifications

2.8.1Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions.

Operating:	0° to 60°C (32° to 140°F)
Nonoperating:	–40° to 70°C (–40° to 158°F)

2.8.2Temperature gradient

Operating:	20°C per hour (68°F per hour max), without condensation
Nonoperating:	30°C per hour (86°F per hour max)

2.8.3Humidity

2.8.3.1Relative humidity

Operating:	5% to 95% noncondensing (30% per hour max)
Nonoperating:	5% to 95% noncondensing (30% per hour max)

2.8.3.2Wet bulb temperature

Operating:	37.7°C (99.9°F max)
Nonoperating:	40°C (104°F max)

2.8.4Altitude

Operating:	–304.8 m to 3,048 m (–1000 ft. to 10,000+ ft.)
Nonoperating:	–304.8 m to 12,192 m (–1000 ft. to 40,000+ ft.)

Barracuda 7200.12 Serial ATA Product Manual, Rev. B 15