Lenovo ThinkPad X61, 30,7 cm (12.1"), 80 GB, 1 GB, 1,6 GHz, Windows Vista Business, Black Lenovo ThinkPad X61. Display diagonal: 30,7 cm (12.1"). Internal storage capacity: 80 GB. Processor frequency: 1,6 GHz, Processor type: Intel® Core™2 Duo. Internal memory: 1 GB. Weight: 1,8 kg. Operating system software: Windows Vista Business. Product colour: Black