Processor & Cache Memory

Intel® Core™ i5 Processor 540M/520M/430M : 2.53 GHz - 2.26 GHz, with Turbo Boost up to 3.06/2.93/2.53 GHz;

Operating System

Genuine Windows® 7 Ultimate
Genuine Windows® 7 Professional
Genuine Windows® 7 Home Premium
Genuine Windows® 7 Home Basic

Chipset

Intel® HM55 Express Chipset

Main Memory

DDR3 1066 MHz SDRAM, 3 x SODIMM socket for expansion up to 12GB SDRAM

Display

18.4" 16:9 Full HD (1920x1080) LED backlit

Video Graphics & Memory

NVIDIA® GeForce® GT335M, with 1GB DDR3 VRAM

Hard Drive

2.5" 9.5mm SATA
640GB,5400rpm
500GB,5400rpm;7200rpm
320GB,5400rpm;7200rpm
Dual HDD support