Y650 16.0" 320GB HDD 4GB Box Contents - Lenovo IdeaPad Y650 4185-55U, 6-Cell Battery Pack, AC Adapter; Software Bundle - Windows Vista Home Premium, Norton Internet Security 2008 90-Day Subscription, 1-Year Limited Warranty Intel Core 2 Duo P8700 2.53GHz Processor 3MB L2 Cache, 1066MHz FSB Speed 4096 MB DDR3 (PC3-8500) RAM (8GB Max.) 320GB (5400RPM) SATA Hard Drive