Lenovo Essential Service - Extended service agreement - parts and labor - 3 years - on-site - 24x7 - response time: 4 h - for P/N: 0563-022/ 0563023/ 0563HC5/ 0563HCF/ 0563HCG/ 0724HCF/ 0724HCG/ 0724HCK/ 0724HCL