Seagate ST3500312CS - Manual (Page 23)

Pipeline HD.2 Series SATA Product Manual, Rev. E 15
2.9 Environmental specifications
2.9.1 Drive case temperature
Above 1,000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet
(3,048 meters).
Drive case temperature should be measured at the location indicated in Figure 3 on page 23.
* Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
2.9.2 Temperature gradient
Operating 20°C per hour (68°F per hour max.), without condensation
Non-operating 30°C per hour (86°F per hour max.)
2.9.3 Humidity
2.9.3.1 Relative humidity
Operating 5% to 90% noncondensing (30% per hour max.)
Non-operating 5% to 95% noncondensing (30% per hour max.)
2.9.3.2 Wet bulb temperature
Operating 37.7°C (99.9°F max.)
Non-operating 40.0°C (104°F max.)
2.9.4 Altitude
Operating –60.96m to 3,048m (–200 ft to 10,000+ ft)
Non-operating –60.96m to 12,192m (–200 ft to 40,000+ ft)
Operating (drive case temperature) 0° to 75°C (32° to 167°F)
Non-operating (ambient *) –40° to 70°C (–40° to 158°F)