HPE Foundation Care 24x7 Service with Defective Media Retention - Extended service agreement - parts and labor - 3 years - on-site - 24x7 - response time: 4 h - for P/N: 823556-B21, 823559-B21, 823562-B21, 829889-B21, 830701-425, 830702-425, 835736-B21