HPE Proactive Care Advanced 24x7 Service with Defective Media Retention - Extended service agreement - parts and labor (for 4 Node Storage Base) - 3 years - on-site - 24x7 - response time: 4 h - for P/N: H6Z23A, H6Z23AR, H6Z24A, H6Z24AR, H6Z25A, H6Z25AR