Sony VAIO VGN-CS31S/P, VAIO. Processor clock speed: 2.1 GHz, Processor family: Intel Core 2 Duo, Processor model: T6500. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 5400 RPM. Display diagonal: 358.1 mm (14.1 "), Display resolution: 1280 x 800 pixels, Aspect ratio: 16:10. Discrete graphics adapter model: NVIDIA GeForce 9300M GS, Discrete graphics adapter memory: 256 MB, Maximum graphics adapter memory: 1510 MB