Processor Intel Core i5 430M/450M/460M/520M/540M Processor Intel Core i3 330M/350M/370M Processor Intel Pentium Dual-Core P6000 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 HD (1366x768) Color-Shine (Glare-type) Graphic ATI Mobility Radeon HD5470 with 512MB DDR3 VRAM Storage 2.5" SATA 640GB 5400rpm 500GB 5400rpm/7200rpm 320GB 5400rpm/7200rpm Optical Drive Super-Multi DVD Card Reader 4 -in-1 card reader ( SD/ MS/ MS Pro/ MMC) Camera 0.3 Mega Pixel web camera Networking Integrated 802.11 b/g/n 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 3.0 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.