Dell Latitude E5540 - Intel Dual-Core i5-4300U 1.90GHz - 4GB RAM - 500GB HDD - DVD&plusmn;RW - NVIDIA GT 720M with 2GB - Windows 7 Pro - 15.6-inch (1920x1080) Dell Latitude E5540 - Windows 7 Professional 64-bit - Intel Dual-Core i5-4300U 1.90GHz - 4GB RAM - 500GB HDD DVDRW - 15.6" (1920x1080) - Full HD LED Backlight Technology - NVIDIA GT 720M with 2GB dedicated video memory 802.11 b/g/n - Bluetooth 4.0 - 10/100/1000 Gigabit Ethernet Webcam - High Definition Audio - Smart Card Reader - 4-cell Lithium-ion - Built-in Microphone (2) USB 3.0 - (2) USB 2.0 - (1) HDMI - (1) Headphone/Microphone Combo Jack