Used Dell Latitude E5540 Core i5

Processor:

• Intel Core i5 (4th generation, Haswell architecture)

Operating System:

• Typically, it was available with Windows 7 Professional or Windows 8 Pro. Some models may have been upgraded to Windows 10.

Display:

• Screen Size: 15.6 inches
• Display Type: LED-backlit, anti-glare, non-touchscreen
• Resolution: 1366 x 768 pixels (HD)

Memory (RAM):

• Standard Configuration: 4GB DDR3L RAM (Upgradeable to 8GB or more)

Storage:

• Hard Drive: Typically, it came with a 500GB 5400 RPM SATA hard drive. Some models may have included SSDs.

Graphics:

• Integrated Intel HD Graphics 4400

Connectivity:

• Wireless: Wi-Fi 802.11n or 802.11ac, Bluetooth
• Ports: USB 3.0, USB 2.0, VGA, HDMI, Ethernet, headphone/microphone combo jack, SD card reader

Battery:

• Battery Type: 6-cell (47Whr) or 9-cell (97Whr) lithium-ion battery
• Battery Life: Varies depending on configuration and usage but generally ranged from 4 to 8 hours.

Optical Drive:

• DVD-ROM or DVD-RW drive (optional)

Webcam:

• Integrated webcam for video conferencing

Keyboard:

• Full-sized keyboard with optional backlight

Security:

• Some models included a fingerprint reader and a smart card reader for enhanced security.

Dimensions and Weight:

• Dimensions: Approximately 14.8" x 10.1" x 1.1"
• Weight: Approximately 5.1 lbs

Audio:

• Stereo speakers
• High Definition Audio

Ports and Slots:

• USB 3.0 ports
• USB 2.0 ports
• VGA and HDMI for video output
• Ethernet port
• SD card reader

Build and Design:

• Durable build with a matte black finish
• Generally considered a business-oriented laptop with a focus on reliability and performance.