Dell OptiPlex 780 Setup and Features Information Tech Sheet (Desktop, Mini-Tow - Page 9

Small Form Factor - 90-265 VAC, 50/60 Hz, Mini-Tower - 305 W non-EPA or 255 W EPA

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Power Wattage Mini-Tower - 305 W (non-EPA) or 255 W (EPA) Desktop - 255 W Small Form Factor - 235 W Maximum heat dissipation Mini-Tower - 1041 BTU/hr Desktop - 955 BTU/hr Small Form Factor - 938 BTU/hr NOTE: Heat dissipation is calculated by using the power supply wattage rating. Voltage (see the safety information Mini-Tower - 90-265 VAC, 50/60 Hz that shipped with your computer Desktop - 90-265 VAC, 50/60 Hz for important voltage-setting information) Small Form Factor - 90-265 VAC, 50/60 Hz Coin-cell battery 3V CR2032 lithium coin cell Physical Height Width Depth Weight Mini-Tower - 40.80 cm (16.10 inches) Desktop - 11.40 cm (4.50 inches) Small Form Factor - 9.26 cm (3.65 inches) Mini-Tower - 18.70 cm (7.40 inches) Desktop - 39.90 cm (15.70 inches) Small Form Factor - 31.40 cm (12.40 inches) Mini-Tower - 43.30 cm (17.00 inches) Desktop - 35.30 cm (13.90 inches) Small Form Factor - 34.00 cm (13.40 inches) Mini-Tower - 11.70 kgs (25.80 lbs) Desktop - 8.26 kgs (18.20 lbs) Small Form Factor - 6.80 kgs (15.00 lbs) Environmental Temperature: Operating Storage Relative humidity 10 °C to 35 °C (50 °F to 95 °F) -40 °C to 65 °C (-40 °F to 149 °F) 20% to 80% (noncondensing)

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Power
Wattage
Mini-Tower — 305 W (non-EPA) or 255 W (EPA)
Desktop — 255 W
Small Form Factor — 235 W
Maximum heat dissipation
Mini-Tower — 1041 BTU/hr
Desktop — 955 BTU/hr
Small Form Factor — 938 BTU/hr
NOTE:
Heat dissipation is calculated by using the power supply wattage rating.
Voltage (see the safety information
that shipped with your computer
for important voltage–setting
information)
Mini-Tower — 90–265 VAC, 50/60 Hz
Desktop — 90–265 VAC, 50/60 Hz
Small Form Factor — 90–265 VAC, 50/60 Hz
Coin-cell battery
3V CR2032 lithium coin cell
Physical
Height
Mini-Tower — 40.80 cm (16.10 inches)
Desktop — 11.40 cm (4.50 inches)
Small Form Factor — 9.26 cm (3.65 inches)
Width
Mini-Tower — 18.70 cm (7.40 inches)
Desktop — 39.90 cm (15.70 inches)
Small Form Factor — 31.40 cm (12.40 inches)
Depth
Mini-Tower — 43.30 cm (17.00 inches)
Desktop — 35.30 cm (13.90 inches)
Small Form Factor — 34.00 cm (13.40 inches)
Weight
Mini-Tower — 11.70 kgs (25.80 lbs)
Desktop — 8.26 kgs (18.20 lbs)
Small Form Factor — 6.80 kgs (15.00 lbs)
Environmental
Temperature:
Operating
10 °C to 35 °C (50 °F to 95 °F)
Storage
–40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity
20% to 80% (noncondensing)