Electronic HP Care Pack Next Business Day Hardware Support with Defective Media Retention - Extended service agreement - parts and labour - 5 years - on-site - 9x5 - response time: NBD - for HP Z1 G8, Z1 G9; Workstation Z1 G5, Z1 G6, Z2, Z2 G4, Z2 G5, Z2 G8; ZCentral 4R