HPE 800W Hot-Plug Power Supply (P19772-B21) for ProLiant

Equipment Overview

The HPE 800W (P19772-B21) is an enterprise-class hot-plug power supply unit designed for continuous 24×7 operation in server infrastructure. It delivers 800 W of power to rack and tower servers, supporting redundant configurations for enhanced fault tolerance. The unit enables hot-swap replacement, minimizing downtime during maintenance or failure events. This power supply is suitable for mission-critical environments where power reliability and serviceability are paramount.

Main Parameters

• Part Number (PN): P19772-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise server grade (24×7)

Key Advantages

The P19772-B21 is engineered for redundant power architectures, supporting 1+1 configurations to ensure uninterrupted operation in enterprise data centers. Its hot-plug design allows for live replacement of the unit without powering down the server, reducing operational disruption. This model is selected for high-availability projects requiring dependable, round-the-clock power delivery with minimal maintenance overhead.

Compatibility & Integration

The HPE 800W power supply is compatible with select HPE rack and tower server models; exact server compatibility must be verified at the time of ordering. It adheres to standard enterprise power supply form factors and interface requirements, integrating seamlessly into HPE server chassis. The unit supports hot-swap and redundant power topologies per HPE infrastructure guidelines.