Dell Precision 420 - Manual (Page 128)

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Physical
Desktop chassis:
Height 16.5 centimeters (cm) (6.5 inches)
Width 44.2 cm (17.4 inches)
Depth 45 cm (17.7 inches)
Weight 10.9 kilograms (kg) (24 pounds [lb])
Mini tower chassis:
Height 49 cm (19.3 inches)
Width 22.1 cm (8.7 inches)
Depth 45.2 cm (17.8 inches)
Weight 16.8 kg (37.0 lb) or more, depending on options installed
Environmental
Temperature:
Operating
10° to 35° Celsius (C) (50° to 95° Fahrenheit [F])
Storage
–40° to 65° C (–40° to 149° F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating
0.25 gravities (G) at 3 to 200 Hz at 1 octave/minute (min)
Storage
0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating bottom half-sine pulse with a velocity change of 50.8 centimeters/second (cm/sec)
(20 inches/sec)
Storage
27-G faired square wave with a velocity change of 508 cm/sec (200 inches/sec)
Altitude:
Operating
–16 to 3048 meters (m) (–50 to 10,000 feet [ft])
Storage
–16 to 10,600 m (–50 to 35,000 ft)