Lenovo Onsite - Extended service agreement - parts and labor - 3 years - on-site - 24x7 - response time: 4 h - for P/N: 1754A1T/ 1754A1X/ 1754A2X/ 1754D1T/ 1754D1X/ 1754D2X/ 1754E1X/ 1754HC1/ 1754HC3