Lenovo T420, ThinkPad. Processor family: Intel Core i5, Processor model: i5-2520M, System bus: 5 GT/s. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 128 GB, Storage media: SSD, Solid-state drive capacity: 128 GB. Display diagonal: 355.6 mm (14 "), Display resolution: 1600 x 900 pixels, Aspect ratio: 16:9. On-board graphics adapter model: Intel HD Graphics