Dell Vostro 3902 Mini Tower (Late 2013) - Manual (Page 37)

Environmental
Temperature:
Operating 10 °C to 35 °C (50 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity 20 % to 80 % (non-condensing)
Altitude:
NOTE: V 3800 and V 3900 meet the China
5000 m altitude requirements.
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 as defined by ISA-S71.04–1985
37