HPE 800W Hot-Plug Power Supply (P19777-B21) for Servers

Equipment Overview

The HPE 800W is an enterprise-class power supply unit designed for continuous 24×7 operation in server infrastructure. This hot-plug unit delivers 800 W of power for rack and tower servers, supporting redundant configurations for enhanced system availability. The P19777-B21 model is engineered for reliable power delivery in demanding data center environments. It enables live replacement without system downtime, ensuring uninterrupted operation in mission-critical deployments.

Main Parameters

• Part Number (PN): P19777-B21
• Brand: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise server grade, 24×7 operation

Key Advantages

The P19777-B21 is selected for enterprise projects requiring high availability and serviceability. Its hot-plug design allows for live replacement of the power supply without powering down the server, minimizing maintenance windows. The unit supports redundant configurations (1+1) to provide fault tolerance and ensure continuous uptime in critical server environments.

Compatibility & Integration

This power supply is intended for HPE rack and tower servers, with exact server model compatibility to be confirmed at the time of order. The unit adheres to standard enterprise power supply form factors and hot-plug interface specifications, enabling straightforward integration into compatible HPE chassis. For precise system matching, consult the HPE compatibility matrix or verify against the target server’s PSU slot requirements.