Screen size: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 GB or larger hard disk drives Optical Drive:8X DVD-Super Multi doublelayer drive Dimensions & Weight:344 (W) x 246 (D) x 37/42 (H) mm (13.5 x 9.7 x 1.45/1.65 inches) 2.6 kg (5.73 lbs.)