Lenovo E320, ThinkPad. Processor clock speed: 2.1 GHz, Processor family: Intel Core i3, Processor model: i3-2310M. Internal memory: 4 GB, Memory clock speed: 1333 MHz, Memory slots: 2x SO-DIMM. Total storage capacity: 320 GB, Hard drive capacity: 320 GB, Hard drive interface: Serial ATA. Display diagonal: 337.8 mm (13.3 "), Display resolution: 1366 x 768 pixels, Aspect ratio: 16:9. Discrete graphics adapter model: Intel HD Graphics, Maximum resolution: 1366 x 768 pixels