Dell Latitude E6420 (Early 2011) - Manual (Page 127)

Physical
Height 29.00 mm to 37.70 mm (1.14 inches to 1.48
inches)
Width 357.30 mm (14.07 inches)
Depth 246.50 mm (9.70 inches)
Weight (with 6-cell battery and air
bay) 2.69 kg (5.93 lb)
Environmental
Temperature:
Latitude E6420
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Latitude E6420 ATG
Operating 0 °C to 60 °C (32 °F to 140 °F)*
Storage –51 °C to 71 °C (–59 °F to 159 °F)
* Tested configuration is without the optical drive
Relative humidity (maximum):
Operating 10 % to 90 % (noncondensing)
Storage 5 % to 95 % (noncondensing)
Altitude (maximum):
Operating –15.2 m to 3048 m (–50 ft to 10,000 ft)
Non-Operating –15.2 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G1 as defined by ISA-71.04–1985
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