Dell OptiPlex 780 User Manual download pdf (Page 9)

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)

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Dell OptiPlex 780 User Manual Page 9