15-R230NR - Operating system: Windows 8.1, Processor: Intel Pentium N3540 Processor, Display: 15.6-inch diagonal HD BrightView WLED-backlit display (1366x768), Memory: 4GB DDR3L SDRAM (1 DIMM), Hard drive: 500GB 5400RPM hard drive, Graphics: Intel HD graphics, Battery life: Up to 5 hours 15 minutes, Optical drive: SuperMulti DVD burner, Product weight: 4.92 lb, Keyboard: Full-size island-style keyboard with numeric keypad