Table 18. Touchpad specifications(continued)
Description Values
Horizontal
115 mm (4.52 in.)
Vertical
67 mm (2.63 in.)
Touchpad gestures For more information about touchpad gestures available
on Windows, see the Microsoft Knowledge Base article at
support.microsoft.com.
Power adapter
The following table lists the power adapter specifications of your Latitude 3550.
Table 19. Power adapter specifications
Description Option one Option two Option three Option four
Type
60W AC adapter, small
form factor, USB Type-
C, 2-pin (Japan)
65W AC adapter, 4.5
mm barrel, E4
65W AC adapter, USB
Type-C, EcoDesign
100W AC adapter, USB
Type-C, E5
Connector dimensions:
External diameter
N/A 4.50 mm N/A N/A
Internal diameter
N/A 2.90 mm N/A N/A
Input voltage
100 VAC to 240 VAC 100 VAC - 240 VAC 100 VAC - 240 VAC 100 VAC - 240 VAC
Input frequency
50 Hz to 60 Hz 50 Hz - 60 Hz 50 Hz - 60 Hz 50 Hz - 60 Hz
Input current
(maximum)
1.70 A 1.60 A/1.70 A 1.70 A 1.70 A
Output current
(continuous)
● 20 V/3 A
● 15 V/3 A
● 9 V/3 A
● 5 V/3 A
3.34 A
● 20 V/3.25 A
(continuous)
● 15 V/3 A
(continuous)
● 9.0 V/3 A
(continuous)
● 5.0 V/3 A
(continuous)
●
20 V/5 A
(continuous)
● 15 V/3 A
(continuous)
● 9.0 V/3 A
(continuous)
● 5.0 V/3 A
(continuous)
Rated output voltage
● 20 VDC
● 15 VDC
● 9 VDC
● 5 VDC
19.50 VDC
● 20 VDC
● 15 VDC
● 9 VDC
● 5 VDC
● 20 VDC
● 15 VDC
● 9 VDC
● 5 VDC
Temperature range:
Operating
0°C to 40°C (32°F to
104°F)
0°C to 40°C (32°F to
104°F)
0°C to 40°C (32°F to
104°F)
0°C to 40°C (32°F to
104°F)
Storage
-40°C to 70°C (-40°F
to 158°F)
-40°C to 70°C (-40°F
to 158°F)
-40°C to 70°C (-40°F
to 158°F)
-40°C to 70°C (-40°F
to 158°F)
Specifications of Latitude 3550 23