HPE 800W Hot-Plug Power Supply (P40423-B21)

Equipment Overview

The HPE 800W (P40423-B21) is an enterprise-class power supply unit designed for continuous 24×7 operation in server infrastructure. It delivers 800 W of power and supports hot-plug functionality, allowing replacement without system downtime. This unit is intended for rack and tower servers where redundant power configurations are required to maintain high availability. Its primary purpose is to provide reliable and efficient power delivery for mission-critical workloads in data center environments.

Main Parameters

• Part Number (PN): P40423-B21
• Brand: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise (24×7 operation)

Key Advantages

This power supply is selected for enterprise projects due to its hot-plug capability, which enables seamless maintenance and reduces downtime. It supports redundant configurations (1+1), enhancing fault tolerance for critical server systems. The 800 W output provides sufficient headroom for standard enterprise workloads, while the enterprise-class design ensures stable performance under continuous load.

Compatibility & Integration

The HPE 800W (P40423-B21) is compatible with select HPE rack and tower servers, supporting hot-plug installation for rapid deployment. It integrates into redundant power architectures, allowing for 1+1 redundancy setups to ensure uninterrupted operation. Exact server model compatibility should be verified prior to integration to confirm proper fit and electrical specifications.