Dell Precision R5500 Owner's Manual page 78

Environmental
Storage
Altitude:
Operating
Storage
Airborne contaminant level
78 Specifications
105 G +/- 5% with pulse duration of 2 msec +/- 10% (equivalent
to 50 in/sec [127 cm/sec])
–15.2 m to 3048 m (–50 ft to 10,000 ft)
–15.2 m to 10,668 m (–50 ft to 35,000 ft)
G1 or lower as defined by ISA-S71.04–1985