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Screen

15.4" Wide XGA+ TrueLife LED Screen (1440 x 900) with Integrated Webcam  (1),

15.6" High Definition TrueLife White-LED Screen (1366 x768) with Integrated Webcam  (4)

CPU

Intel Core 2 Duo T6500 2.1ghz  (3),

Intel Pentium Dual-Core T4200 2.0GHz  (1),

Intel Core 2 Duo T5800 2.0GHz  (1)

RAM

4GB  (4),

3GB  (1)

HDD

320GB  (2),

500GB  (2),

250GB  (1)

Graphics

Intel Onboard  (1),

256mb ATi Radeon HD 3450  (1),

512mb ATi Radeon HD 4570  (3)

Optical drive

DVD-RW  (5)

OS

Windows Vista Home Premium SP1 (Licence & CD)  (5)

Color

Midnight Blue  (3),

Jet Black  (1),

Chainlink Black  (1)