Dell Vostro 270s Owner's Manual page 40

Environmental
Operating
Non-Operating
Altitude:
Operating
Storage
Airborne contaminant level
40
40 G for 2 ms with a change in velocity of 20 inches/s (51
cm/s)
50 G for 26 ms with a change in velocity of 320 inches/s (813
cm/s)
–16 m to 3048 m (–50 to 10,000 ft)
NOTE: For altitudes above 2950 feet, the maximum
operating temperature is derated 1ºF/550 ft.
–15.20 m to 10,668 m (–50 ft to 35,000 ft)
G2 or lower as defined by ISA-S71.04-1985