Processor Intel Core i7 740M Processor Intel Core i5 460M/480M/560M/580M Processor Intel Core i3 350M/370M/380M/390M Processor Intel Pentium Dual-Core P6200/P6100 Processor Chipset Intel HM55 Express Chipset Memory DDR3 1066 MHz SDRAM, 2 x SO-DIMM socket for expansion up to 8 G SDRAM Display 15.6" 16:9 LED Backlight Graphics AMD Radeon HD 6370M 1GB DDR3 VRAM Storage 640GB 5400rpm 500GB 5400rpm/7200rpm 320GB 5400rpm Optical Drive Super-Multi DVD Blue-ray reader Card Reader 3 -in-1 card reader ( SD/ MS/ MMC) Camera 0.3 Mega Pixel web camera Networking Integrated 802.11 b/g/n or 802.11 b/g Built-in Bluetooth V2.1+EDR (Optional) 10/100/1000 Base T Interface 1 x Microphone-in jack 1 x Headphone-out jack 1 x VGA port/Mini D-sub 15-pin for external monitor 3 x USB 2.0 port(s) 1 x RJ45 LAN Jack for LAN insert 1 x HDMI Audio Built-in Speakers And Microphone Altec Lansing Speakers SRS Premium Sound Battery 6Cells: 4400 mAh 47 Whrs Power Adapter Output: 19 V DC, 4.74 A, 90 W Input: 100 -240 V AC, 50/60 Hz universal Dimensions 38.0 x 25.5 x 3.40 ~3.56 cm (WxDxH) Weight 2.62 kg (with 6 cell battery) Security BIOS Booting User Password Protection HDD User Password Protection and Security Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.