Dell OptiPlex 9020 (Mid 2013) - Manual (Page 59)

Feature Specification
Storage 5 percent to 95 percent (non-condensing)
Maximum vibration:
Operating 0.26 GRMS
Storage 2.20 GRMS
Maximum shock:
Operating 40 G
Storage 105 G
Altitude:
Operating –15.20 m to 3048 m (–50 ft to 10,000 ft)
Storage –15.20 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G1 or lower as defined by ANSI/ISA-S71.04-1985
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