Sony Vaio NW21SF/T, VAIO. Colour of product: Brown. Processor frequency: 2.13 GHz, Processor family: Intel Core 2 Duo, Processor model: P7450. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 500 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.37 cm (15.5"), Display resolution: 1366 x 768 pixels, Aspect ratio: 16:9