Screen size:14 inchs or 14.1 inchs System Memory:Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4 GB using two soDIMM modules (dual-channel support) Hard Disk Drive:80/120/160/240/250 GB or larger hard disk drive Optical Drive:8X DVD-Super Multi doublelayer drive; 24x DVD/CD-RW combo Dimensions & Weight:342 (W) x 247 (D) x 35/38 (H) mm (13.46 x 9.72 x 1.38/1.49 inches) 2.48 kg (5.48 lbs.)