Specification Mfr Part Number: VGNNS190J/S Processor: Intel Core 2 Duo Processor FSB 800 MHz">T5800 Chipset: Mobile Intel GM45 Express Memory: 4GB (2×2GB) DDR2-800 Memory, Max Capacity 4GB Display: 15.4” WXGA (1280×800) LCD, w/ XBRITE-ECO Technology Graphics Module: Mobile Intel GMA 4500MHD Graphics Controller, w/ Intel Clear Video Technology, 1750MB Total Available Video Memory Hard Drive: 250GB 5400rpm SATA Hard Drive Optical Storage: Build-in Blu-Ray / DVDRW Drive Audio: Intel High Definition Audio Connectivity: Integrated V92/V.90 Modem; Fast Ethernet; Intel WiFi 5100AGN(802.11a/b/g/n) Interface: 4x USB 2.0 Ports; 1x i.LINK IEEE 1394 Port; 1x VGA Port; 1x RJ11 Modem Port; 1x RJ45 LAN Port; 1x Microphone-in; 1x Headphone-out; 1x ExpressCard /34 Slot Card Reader: Multimedia Card Reader, Support Memory Stick Duo Media w/ MagicGate Functionality; Secure Digital Slot, Support SD Memory Card Camera: Built-in 1.3 Megapixel MOTION EYE Camera and Microphone Battery Pack: Lithium-ion Battery (VGP-BPS13/B), 1.54.0 hours Life Time Color: Granite Silver Dimensions (WxDxH): 14.18×10.63×1.241.5 inch Weight: 6.4 lbs, w/ standard capacity battery Operating System: Genuine Microsoft Windows Vista Home Premium RoHS Compliant