Lenovo X220, ThinkPad. Processor clock speed: 2.8 GHz, Processor family: Intel Core i7, Processor model: i7-2640M. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory slots: 2x SO-DIMM. Total storage capacity: 128 GB, Storage media: SSD, Solid-state drive capacity: 128 GB. Display diagonal: 317.5 mm (12.5 "), Display resolution: 1366 x 768 pixels, Aspect ratio: 16:9. On-board graphics adapter model: Intel HD Graphics 3000