Dell XPS manual 108, Power, Physical, Environmental, Operating altitude is 914 m 3000 ft

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Power

DC power supply:

Wattage	460 W
Heat dissipation	1000 BTU/hr
Voltage (see page 9 for important	fixed-voltage power supply—110 V at
voltage setting information)	50/60 Hz
	manual selection and auto-sensing power
	supplies—90 to 135 V at 50/60 Hz; 180 to
	265 V at 50/60 Hz; 100 V at 50/60 Hz for
	Japanese computers
Backup battery	3-V CR2032 lithium coin cell
Physical
Height	49.1 cm (19.3 inches)
Width	22.2 cm (8.7 inches)
Depth	48.8 cm (19.2 inches)
Weight	19 kg (42 lbs)
Environmental
Temperature:
Operating	10° to 35°C (50° to 95°F)
	NOTE: At 35°C (95°F), the maximum
	operating altitude is 914 m (3000 ft).
Storage	–40° to 65°C (–40° to 149°F)
Relative humidity	20% to 80% (noncondensing)
Maximum vibration:
Operating	0.25 G at 3 to 200 Hz at 0.5 octave/min
Storage	0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating	bottom half-sine pulse with a change in
	velocity of 20 inches/sec (50.8 cm/sec)
Storage	nonoperating (half-sine pulse) 105 G,
	2 ms
	nonoperating (faired-square wave) 27 G
	with a velocity change of 508 cm/sec
	(200 inches/sec)

108

Appendix