Dell Latitude E5440 Owner's Manual page 60

Feature
without Express Card I/O on Discrete
Graphic and all UMA Graphic
Configurations
Table 18. Audio
Feature
Type
Controller
Stereo conversion
Interface:
Internal
External
Speakers
Internal speaker amplifier
Volume controls
Table 19. Video
Feature
Type
Controller
UMA
Discrete
Table 20. Communications
Feature
Network adapter
Wireless
Table 21. Ports and Connectors
Feature
Audio (optional)
Video
60
Specification
• Supports mSATA and WWAN on Latitude E5440
• Supports mSATA on Latitude E5540.
Specification
four-channel high definition audio
ALC3226
24-bit (analog-to-digital and digital-to-analog)
high definition audio
microphone-in/stereo headphones/external speakers
connector
two
1W (RMS) per channel
keyboard function keys, program menus
Specification
integrated on system board
Intel HD Graphics 4400
nVidia GeForce GT 720M 2GB Graphics
Specification
10/100/1000 Mb/s Ethernet (RJ-45)
• Internal wireless local area network (WLAN)
• Wireless wide area network (WWAN) (E5440 only)
Specification
one microphone/stereo headphone/speakers connector
• one 15-pin VGA connector
• 19-pin HDMI connector