Dell OptiPlex 7040-Small Form Factor Owner's Manual page 50

Table 32. Power
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Power
Coin cell battery
Table 33. Physical dimension
Feature
Height
Width
Depth
Weight
Table 34. Environmental
Feature
Temperature range
Operating
Storage
Relative humidity (maximum)
Operating
Storage
Maximum vibration
Operating
Storage
Maximum shock
Operating
Storage
Altitude
Operating
Storage
Airborne contaminant level
50 Specifications
Wattage
180 W
Maximum Heat
Dissipation
614 BTU/hr
3 V CR2032 lithium coin cell
Specifications
290.00 mm (11.42 inches)
93.00 mm (3.66 inches)
312.00 mm (8.38 inches)
6.00 kg (13.22 lb)
Specification
5°C to 35°C (41°F to 95°F)
–40°C to 65°C (–40°F to 149°F)
20 percent to 80 percent (non-condensing)
5 percent to 95 percent (non-condensing)
0.26 Grms
2.20 Grms
40 G
105 G
–15.2 m to 30482000 m (–50 to 10,0006560 ft)
–15.20 m to 10,668 m (–50 ft to 35,000 ft)
G1 or lower as defined by ANSI/ISA-S71.04-1985
Voltage
100 V AC to 240 V AC, 50 Hz
to 60 Hz, 3A/1.5A