IdeaPad Y550 - Black with Gray Keyboard, Intel Core 2 Duo processor P7350, Genuine Windows Vista Home Premium 64 SP1, 15.6" widescreen LED Backlit WXGA VibrantView (1366 x 768) , Mobile Intel Graphics Media Accelerator X4500MHD(Up to 1759MB), 500GB SATA (5400 rpm), 4GB, Up to 8GB PC3-8500 DDR3 SDRAM 1066MHz, Dual Layer DVD Recordable, 1.3 megapixel integrated camera, 2 stereo speakers + 1 sub-woofer with Dolby Home Theatre 2 Certification, Array Build in Microphone with Echo Cancellation and Noise Reduction, 10/100/1000M Ethernet, Intel Wifi Link 5100 AGN, Norton Internet Security software, Kensington lock slot, 6-cell Li-Ion battery. Windows Vista battery life up to 4.5 hrs, Included Software: VeriFace 3.5, EasyCapture 3.5, OneKey Rescue System 6.0, Lenovo Energy Management Software 3.1, OneKey Theater, Lenovo ReadComm 4.0, Lenovo Desktop Navigator, Dolby control center, Adobe Reader 8.1, Power2GO 5.5, Norton Internet Security 2008 (90 days of virus definition), Microsoft/Lenovo portal, Windows Live 1.0, Microsoft Office Ready 2007 Trial, Napster, DDNi, Expansion : 3 USB 2.0, 1 ESATA Combo with USB, IEEE 1394, VGA, HDMI, CIR, 6-in-1 card reader(SD/SD pro/MS/MS pro/MMC/xD), Express Card 34mm, 3 Mini-PCIe Slots(WLAN), Microphone input jack, Headphone jack(SPDIF)