Dell Precision M6500 (Late 2009) - Manual (Page 7)

Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Storage –40 °Cto 65 °C (-40 °F to 149 °F)
Physical
Height 38.50 mm (1.52 inches)
Width 393 mm (15.47 inches)
Depth 280.50 mm (11.04 inches)
Weight (with a 9-cell battery) minimum weight is 3.81 kg (8.40 lb)
Environmental
Temperature range
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity (maximum)
Operating 10% to 90% (noncondensing)
Storage 5% to 95% (noncondensing)
AC Adapter (continued)