HPE Proactive Care 24x7 Service with Defective Media Retention - Extended service agreement - parts and labor - 5 years - on-site - 24x7 - response time: 4 h - for P/N: 871599-B21, 871940-B21, 871941-B21, 871942-B21, 871942-B22, 871945-B21, 871946-B21