Dell OptiPlex E1 - Manual (Page 80)

Storage -40 to 65C (-40 to 149F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating 0.25 G at 3 to 200 Hz at 1 octave/min
Storage 0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating left side (vertical orientation) and bottomhalf-sine pulse with a
change in velocity of 50.8 cm/sec (20 inches/sec)
Storage 27-G faired square wave with a velocitychange of 508 cm/sec
(200 inches/sec)
Altitude:
Operating -16 to 3048 m* (-50 to 10,000 ft)
Storage -16 to 10,600 m (-50 to 35,000 ft)
* At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the online System User's Guide.