Dell PowerEdge C8000 Mise En Route page 43

Environmental(continued)
Altitude
Operating
Storage
Airborne Contaminant Level
Class
-16 to 3,048 m (-50 to 10,000 ft.)
NOTE:
For altitudes above 2,950 feet, the maximum
operating temperature is derated to 1°F/550 ft.
-16 to 10, 600 m (-50 to 35,000 ft.)
G1 as defined by ISA-S71.04-1985
Getting Started With Your System
41