Processor: Intel Core i5-4310U (2.0 GHz, 3M Cache, Dual Core) Operating System: Ubuntu 12.04 Long Term Support (LTS) SP1 Memory: 4GB Single Channel DDR3L 1600MHz (4GBx1) Display: 15,6" FHD (1920x1080) Wide View Anti-Glare WLED-backlit Video: NVIDIA GeForce GT 720M 2GB Storage: 500GB (5400rpm) Hybrid HDD + 8GB Flash Optical storage: 8X DVD+/-RW Media Bay Drive Camera: Light Sensitive Webcam and Noise Cancelling Digital Array Mic Communications: Intel Dual Band Wireless-AC 7260 802.11ac/a/b/g/n 2x2 + Bluetooth 4.0 LE Half Mini Card I/O ports: Stereo global headset jack HDMI - 1 VGA - 1 USB3.0 - 2 USB2.0 - 2 Network connector (RJ-45) Docking connector Audio: High Quality Speakers, Stereo global headset jack Keyboard: Internal Dual Pointing Backlit Keyboard ( English, International ) Battery: 6-cell (65Wh) Lithium Ion battery with ExpressCharge AC adapter: 90W Dimensions: 379.0 x 29.7 x 250.5mm Weight: 2,3kg Color: Black Warranty Terms: 3 Years Basic Warranty - Next Business Day. The Notebook battery is considered as a consumable part. Due to the natural loss of the battery capacity, there is only a one-year warranty offered on this item. URL: http://www.dell.com/us/business/p/latitude-e5540-laptop/pd Gross weight: 4.20 kg. Warranty: 36 month(s)