User manual

Hitachi hard disk drive specifications
28
6.2 Environment
6.2.1 Temperature and humidity
Operating conditions
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude
CinemaStar : 0 to 70°C (See notes)
Deskstar/Ultrastar : 0 to 60°C (See notes)
8 to 90% non-condensing
29.4°C non-condensing
20°C/Hour
–300 to 3,048 m
Non-Op conditions
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude
-40 to 70°C
5 to 95% non-condensing
35°C non-condensing
30°C/Hour
–300 to 12,000 m
Table 16 Temperature and humidity
Notes:
1. CinemaStar : Temperature tested at the top cover (AV streaming application usage)
Deskstar/Ultrastar : The system is responsible for providing sufficient ventilation to maintain a surface
temperature below 65°C at the center of the top cover of the drive.
2. Non condensing conditions should be maintained at any time.
3. Maximum storage period within shipping package is one year,