Lenovo ThinkPad G550, Intel® Pentium® Dual-Core, 2,1 GHz, 39,6 cm (15.6"), 1366 x 768 pixels, 3 GB, 320 GB Lenovo ThinkPad G550. Processor family: Intel® Pentium® Dual-Core, Processor model: T4300, Processor frequency: 2,1 GHz. Display diagonal: 39,6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 3 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Optical drive type: DVD-RW. Discrete graphics card model: Intel® GMA 4500M. Operating system installed: Windows 7 Home Premium. Product colour: Black. Weight: 2,55 kg