Dell PowerEdge T310 Guide De Mise En Route page 13

Environmental (continued)
Altitude
Operating
Storage
Airborne Contaminant Level
Class
0 to 3048 m (0 to 10,000 ft)
NOTE:
For altitudes above 2950 feet,
the maximum operating temperature is
derated 1ºF/550 ft.
0 to 10,605 m (–50 to 35,000 ft)
G2 or lower as defined by ISA-S71.04-1985
Getting Started With Your System
11