Sony VAIO VGN-FZ31S, VAIO. Processor clock speed: 2.1 GHz, Processor family: Intel Core 2 Duo, Processor model: T8100. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 667 MHz. Total storage capacity: 250 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 5400 RPM. Display diagonal: 391.2 mm (15.4 "), Display resolution: 1280 x 800 pixels. Discrete graphics adapter model: NVIDIA GeForce 8600M GS, Maximum graphics adapter memory: 256 MB