Dell Studio Slim D540S (Late 2008) - Manual (Page 53)

51
Specifications
Power
DC power supply:
Wattage
250 W
Maximum heat
dissipation
135 W
62.5 W (ENERGY
STAR 4.0)
NOTE: Heat dissipation is calculated by using
the power supply wattage rating.
Voltage
115/230 VAC. 50/60
Hz, 6 A/3 A
Coin-cell battery 3-V CR2032 lithium
coin cell
Physical
Height
362 mm (14.2 inches)
Width 100 mm (3.9 inches)
Depth 435 mm (17.13 inches)
Weight 9 kg (19.8 lb.)