Lenovo ThinkPad T420s: i5-2520M(2.50GHz), 4GB RAM, 320GB 7200rpm HD, 14in 1600x900 LCD, Intel HD Graphics, CDRW/DVDRW, Intel 802.11agn, WWAN Option, BT, 1GbE, UltraNav, Secure Chip, FPR, Cam, 6c Li-Ion, Win7 Pro 64 OS: Eng/Swed/Fin KB: SWEDISH. Processor clock speed: 2.50 MHz, L2 cache: 3 MB, Processor front side bus: 1333 MHz. Internal memory: 4000 MB, Memory clock speed: 1333 MHz, Memory slots: 2 SODIMM. Hard drive capacity: 320 GB, Hard drive interface: SATA. Display diagonal: 355.6 mm (14 "), Display resolution: 1600 x 900 pixels, Display number of colours: 16777216 M. Maximum resolution: 1600 x 900 pixels