Sony VGN-FW31J. Colour of product: Silver. Processor frequency: 2 GHz, Processor family: Intel Core 2 Duo, Processor model: T6400. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 400 GB, Hard drive interface: Serial ATA, Hard drive speed: 4200 RPM. Display diagonal: 41.66 cm (16.4"), Display resolution: 1600 x 900 pixels, Display surface: Matt