Samsung NC20-KA02, NC series. Processor clock speed: 1.3 GHz, Processor front side bus: 800 MHz, L2 cache: 1 MB. Internal memory: 1 GB, Memory slots: 1x SO-DIMM, Internal memory type: DDR2-SDRAM. Hard drive size: 63.5 mm (2.5 "), Solid-state drive capacity: 160 GB, Hard drive rotational speed: 5400 RPM. Compatible memory cards: MMC, SD, SDHC. Display diagonal: 307.3 mm (12.1 "), Display resolution: 1280 x 800 pixels