. Ground-breaking innovation Starting at just 4.04lbs. (1.83 kg) the Precision 3540 is all about mobility. Its made with premium materials coming in at 10% lighter & has outstanding battery life. Bigger productivity The narrow-edge display gives you more screen real estate on your 15" (38 cm) mobile workstation which makes it easier to view CAD applications & heavy Excel spreadsheets. Brilliant performance The Precision 3540 comes fully equipped with up to the latest Intel Core i 7 processors (quad-core) perfect for demanding CAD & heavy spreadsheets. Professional graphics Experience exceptional performance for everything from large spreadsheets to 2D & entry-level 3D CAD with optional next-generation AMD Radeon Pro graphics with 2GB of memory..