Dell OptiPlex 7040 - Mini Tower Owner's Manual page 52

Table 31. Power
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Power
Coin cell battery
Table 32. Physical dimension
Feature
Height
Width
Depth
Weight
Table 33. 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
52
Wattage Maximum Heat
Dissipation
240 W 819.00 BTU/hr
Specifications
350.00 mm (13.77 inches)
154.00 mm (6.06 inches)
274.00 mm (10.78 inches)
8.00 kg (17.64 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 3048 m (–50 to 10,000 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
3 V CR2032 lithium coin cell
Voltage
100 VAC to 240 VAC, 50 Hz
to 60 Hz, 4A/2A