Dell Alienware Graphics Amplifier User Manual page 12

Device Environment
Feature
Altitude:
Operating
Storage
Airborne contaminant level G1 as defined by ISA-S71.04-1985
12
Specification
–15.20 m to 3048 m (–50 ft to 10,000 ft)
–15.20 m to 10,668 m (–50 ft to 35,000 ft)