Dell Studio XPS 8100 (Late 2009) - Manual (Page 6)

Connector data width (maximum) 1 PCI Express lane
PCI Express x16
Connectors one
Connector size 164-pin connector
Connector data width (maximum) 16 PCI Express lane
Power
DC Power Supply
Wattage
350 W
Maximum heat dissipation 1836 BTU/hr
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Input voltage 115/230 VAC
Input frequency 50/60 Hz
Rated output current 8 A/4 A
Battery
Coin-cell battery
3-V CR2032 lithium coin cell
Physical
Height
407.75 mm (16.02 inches)
Width 185.81 mm (7.31 inches)
Depth 454.67 mm (17.90 inches)
Weight 10.18 kg (22.40 lb)
Computer Environment
Temperature range:
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% (non-condensing)
Expansion Slots (continued)