Dell beefs up security with Latitude E6540 laptop. News. By Kane Fulton published 10 June 2013 ... 10/100/1000 Gigabit Ethernet, and 802.11g/n wireless. Are you a pro? Subscribe to our newsletter.

With Windows 7 as its operating system, Dell’s Latitude E6540 feels like a throwback. Whether that’s a good thing depends on what you’re looking for in a business-class laptop.