HP ProBook 4540s Notebook - Intel Core i3-3110M 2.40GHz, 4GB Memory, 500GB HDD, 15.6" Display, Windows 7 Home Premium 64-bit 3rd generation Intel Core i3-3110M 2.40GHz processor, delivers high quality processing performance. 4GB of DDR3 memory; provides impressive multitasking 500GB HDD; stores massive files easily DVDRW drive; burns and plays optical discs Widescreen HD LED Backlit Anti-glare Display