Dell EMC SC4020 Owner's Manual page 27

Environmental
Relative humidity
Operating
Storage
Maximum vibration
Operating
Storage
Maximum shock
Operating
Storage
Altitude
Operating
Storage
Airborne Contaminant Level
Class
10% to 80% (noncondensing) with 29°C (84.2°F) maximum dew point
5% to 95% (noncondensing) with 33°C (91°F) maximum dew point
0.21 G at 5–500 Hz for 15 min
1.04 G at 2–200 Hz for 15 min
Half-sine shock 5 G +/- 5% with a pulse duration of 10 ms +/- 10% in operational orientations only
Half-sine shock 30 G +/- 5% with a pulse duration of 10 ms +/- 10% (all sides)
0 m to 3,048 m (0 ft to 10,000 ft)
For altitudes above 915 m (3,000 ft), the maximum operating temperature is derated 1°C per 300 m
(1°F per 547 ft)
–300 m to 12,192 m (–1000 ft to 40,000 ft)
G1 or lower as defined by ISA-S71.04-1985
SC4020 Storage System Technical Specifications 27