Dell 5000 Series Installation And Operation Manual page 39

Environmental requirements
Relative humidity (maximum):
Operating (with maximum
humidity gradation of 10% per
hour)
Non-operating ((with maximum
humidity gradation of 10% per
hour)
Altitude (maximum, unpressurized):
Operating
Storage
Supported PCIe card power- PCIe card temperature and power rating must meet
following table
10% to 90% (non-condensing)
5% to 95% (non-condensing)
-15.2m to 5000m (-50ft to 16,404ft)
NOTE: The maximum operating
temperature is derated 1°C/305m
(1000ft) above sea level altitude.
-15.20 m to 10,668 m (-50 ft to 35,000
ft)
I/O Module Overview 39