Dell Vostro 3591 is a 15″ laptop with security and connectivity small business demands. Featuring PC/smartphone integration with Dell Mobile Connect and a numeric keypad.Dell Mobile Connect. DMC pairs your iOS or Android smartphone with your laptop. You get the option to channel notifications from phone calls, SMS, IMs and other apps right to your laptop so you can keep your focus on a single screen.Gigabit Ethernet. Enjoy data transfer speeds of 10, 100 or 1000 Mbps, so you can download files in a flash.An array of ports. Connect to a TV or monitor with the optional HDMI port, and easily play DVDs or archive large files with the optional ODD.Numeric keypad. Calculations are a snap with a dedicated numeric keypad.