Dell Latitude E5540 Series Owner's Manual

Table 2. Processor
Feature	Specification
Types	Intel Core i3 series Intel Core i5 series Intel Core i7 series
L3 cache	up to 8 MB

Table 3. Memory
Feature	Specification
Memory connector	two SoDIMM slots
Memory capacity	2 GB, 4 GB, or 8 GB
Memory type	DDR3 SDRAM 1600 Mhz
Minimum memory	2 GB NOTE: A 64-bit operating system requires a minimum of 4 GB memory.
Maximum memory	16 GB NOTE: Each SoDIMM slot supports maximum of 8 GB memory. NOTE: A 64-bit operating system is required for the 16 GB memory in use.

Table 4. mSATA Support
Feature		Specification
with Express Card I/O and Discrete Graphic Configuration		No mSATA support on both Latitude E5440 and Latitude E5540.
	for other configurations	mSATA is supported on both Latitude E5440 and Latitude E5540.
without Express Card I/O on Discrete Graphic and all UMA Graphic Configurations		Supports mSATA and WWAN on Latitude E5440 Supports mSATA on Latitude E5540.

Table 5. Audio
Feature		Specification
Type		four-channel high definition audio
Controller		Realtek ALC3226
Stereo conversion		24-bit (analog-to-digital and digital-to-analog)
Interface:
	Internal	high definition audio
	External	microphone-in/stereo headphones/external speakers connector
Speakers		two
Internal speaker amplifier		1W (RMS) per channel
Volume controls		hot keys for volume control and mute control

Table 6. Video
Feature		Specification
Type		integrated on system board
Controller
	UMA	Intel HD Graphics 4600
	Discrete	Nvidia GeForce (N14M-GE) Discrete Graphics Card, 2 GB Graphics

Table 7. Communications
Feature	Specification
Network adapter	10/100/1000 Mb/s Ethernet (RJ-45)
Wireless	Internal wireless local area network (WLAN) Wireless wide area network (WWAN) (E5440 only)

Table 8. Ports and Connectors
Feature	Specification
Audio (optional)	one microphone/stereo headphone/speakers connector
Video	one 15-pin VGA connector 19-pin HDMI connector
Network adapter	one RJ-45 connector
USB 2.0	one 4–pin USB 2.0–compliant connector (E5440) two 4-pin USB 2.0-compliant connectors (E5540) NOTE: The USB 2.0 connector at the back of the Latitude E5540 computer, gets deactivated, when the Latitude E5540 computer is connected to the docking station.
USB 3.0	two USB 3.0–compliant connectors
Memory card reader	one 8-in-1 memory card reader
Docking port	one
Subscriber Identity Module (SIM) port	one (E5440 only)

Table 10. Keyboard
Feature	Specifcation
Number of keys	United States: 86 keys, United Kingdom: 87 keys, Brazil: 87 keys, and Japan: 90 keys
Layout	QWERTY/AZERTY/Kanji

Table 12. Battery
Feature			Specification
Type			4, 6 or 9-cell "smart" lithium ion
Dimensions:
	Height
		4-, 6-, and 9-cell	20.00 mm (0.79 inch)
	Width
		4- and 6-cell	208.00 mm (8.18 inches)
		9-cell	214.00 mm (8.43 inches)
	Depth
		4- and 6-cell	48.08 mm (1.89 inches)
		9-cell	71.79 mm (2.83 inches)
	Weight
		4-cell	240.00 g (0.53 lb)
		6-cell	344.73 g (0.76 lb)
		9-cell	508.20 g (1.12 lb)
Voltage
	4-cell		14.8 VDC
	6- and 9-cell		11.1 VDC
Temperature range:
	Operating		0 °C to 50 °C (32 °F to 122 °F)
	Non-Operating		–40 °C to 85 °C (–40 °F to 185 °F) NOTE: The battery pack is capable of safely withstanding the above storage temperatures with 100% charge. NOTE: The battery pack is also capable of withstanding storage temperatures from –20 °C to +60 °C with no degradation in its performance.
Coin-cell battery			3 V CR2032 lithium coin cell

Table 14. Physical
	Latitude E5440		Latitude E5540
	Touch	Non-touch	Touch	Non-touch
Height	Front - 27.70 mm (1.09 inches) Back - 32.20 mm (1.27 inches)	Front - 25.20 mm (0.99 inch) Back - 28.65 mm (1.13 inches)	Front - 28.25 mm (1.11 inches) Back - 33.60 mm (1.32 inches)	Front - 26.00 mm (1.02 inches) Back - 29.70 mm (1.17 inches)
Width	338.00 mm (13.31 inches)		379.00 mm (14.92 inches)
Depth	235.00 mm (9.25 inches)		250.50 mm (9.86 inches)
Weight (minimum)	1.99 kg (4.40 lb)		2.42 kg (5.35 lb)

Specifications