The Latitude E6400 is thoughtfully designed not just for looks, but to survive a long day on the job. With premium magnesium alloy construction, longer-lasting paint finishes and robust metal hinges, the new Latitude E6400 is more durable than ever. Work more comfortably with a precision-tuned keyboard that offers stronger key durability and optional backlighting. Roam the halls in style with our sleeker, slimmer profile that was inspired by feedback from thousands of users just like you.