Western Digital Ultrastar DC HC310 - Figure 5 Limits of Temperature and Altitude; Table 13 Temperature and Humidity; Environment

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Western Digital Hard Disk Drive OEM Specification
6.2 Environment
6.2.1 Temperature and Humidity
System Responsibility
The system is responsible for maintaining drive sensor temperature below 65°C. Drive sensor
temperature is reported using SMART SCT (SATA).
Operating Ambient Conditions
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude
5 to 60°C
8 to 90% non-condensing
29.4°C non-condensing
20°C/Hour
–300 to 3,048 m
Non-Operating Conditions
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude
-40 to 70°C (Storage 0 to 70°C)
5 to 95% non-condensing
35°C non-condensing
30°C/Hour
–300 to 12,000 m (Inside dashed-dotted line of Figure 4)
Table 13 Temperature and Humidity
Notes:
1. Non-condensing conditions should be maintained at all times.
Figure 5 Limits of temperature and altitude