Processor & Cache Memory Intel Core i5 Processor 460M : 2.66 GHz with Turbo Boost up to 2.8 GHz; Intel Core i3 Processor 380M/370M : 2.53 GHz - 2.4 GHz, Chipset Mobile Intel HM55 Express Chipset Main Memory DDR3 1333 MHz SDRAM, 2 x SODIMM socket for expansion up to 8GB SDRAM Display 14" 16:9 HD (1366x768) LED backlit Video Graphics & Memory NVIDIA GeForce GT 425M with 1GB DDR3 VRAM Hard Drive 2.5" 9.5mm SATA 640GB,5400rpm 500GB,5400rpm;7200rpm 320GB,5400rpm;7200rpm Optical Drive DVD Super Multi Card Reader 4 in 1 card reader SD,MMC,MS,MS-Pro Video Camera .3 Mega Pixel web camera Fax/Modem/LAN/WLAN Integrated 802.11 b/g/n or 802.11b/g Built-in Bluetooth V2.1+EDR (optional) Interface 1 x Microphone-in jack 1 x Headphone-out jack (S/PDIF) 1 x VGA port/Mini D-sub 15-pin for external monitor 3 x USB 2.0 ports 1 x RJ45 LAN Jack for LAN insert 1 x HDMI 1 x E-SATA Audio Built-in speaker and microphone Battery Pack & Life 8 cells: 5600 mAh 83 Whrs 6 cells: 4400 mAh 47 Whrs AC Adapter Output: 19 V DC, 4.74 A, 90W Input: 100~240 V AC, 50/60 Hz universal Dimension & Weight 33.8 x 25.0 x 2.54~2.70 cm (W x D x H) 2.0 kg (with 6 cell battery) Security BIOS Booting / HDD User Password Protection Fingerprint (optional)