Optimize rack scale power and increase efficiency with the HPE Apollo Power Shelf. This 1.5U shelf supplies 14.4 kW or 15.9 kW of power supporting 1-3 HPE Apollo a6000 Chassis depending on power load. Choose from single or 3-phase AC input for 12 x 12V DC cables from the HPE Apollo Power Shelf to the chassis. Each HPE Apollo Power Shelf can hold up to 6 power supplies: 2650W Platinum hot-plug (15.9 kW non-redundant) or 2400W Platinum hot-plug (14.4 kW non-redundant). Choose from N, N+1, and N+N redundancy configurations to meet your workload needs. HPE Advanced Power Management simplifies rack, chassis, server and component-level power monitoring and management, so you can get both the best performance and the highest level of efficiency.