Electronic HP Care Pack Next Business Day Active Care Service - Extended service agreement - parts and labor (for workstation) - 5 years - on-site - 9x5 - response time: NBD - for EliteDesk 800 G4; Workstation Z6 G4, Z620, Z640, Z8 G4, Z820. Hewlett-Packard takes great care of its customers - that's why it provides you with reliable and high-class service to make you feel comfortable whenever you buy HP products. The company offers a full range of services and supports to make you feel even more comfortable.