Toshiba Satellite L550-138, Satellite. Colour of product: Black, Silver. Processor frequency: 2.1 GHz, Processor family: Intel Pentium, Processor model: T4300. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 320 GB, Hard drive speed: 5400 RPM, Compatible memory cards: MMC, MS Pro, SD. Display diagonal: 43.94 cm (17.3"), Display resolution: 1600 x 900 pixels, Aspect ratio: 16:9