HPE 800W Hot-Plug Power Supply P43358-B21

Product Description

The HPE 800W (P43358-B21) is an enterprise-class hot-plug power supply unit designed for continuous 24×7 operation in server infrastructure. This redundant-capable PSU delivers 800 W of power for rack and tower servers, supporting hot-swap replacement to minimize downtime in critical environments. The P43358-B21 is a genuine HPE component intended for integration into supported server platforms.

Technical Specifications

• Part Number (PN): P43358-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise (24×7 operation)
• Form Factor: Compatible with rack and tower servers

Design Features

• Hot-plug capability enables replacement without powering down the server.
• Supports redundant 1+1 configuration for fault-tolerant power delivery.
• Designed for continuous round-the-clock operation in server environments.
• Enterprise-class construction for reliability in data center deployments.
• Genuine HPE component with standardized interface for supported platforms.

Application Area

This power supply unit is deployed in enterprise server environments requiring high availability, including data centers, server rooms, and mission-critical IT infrastructure. The hot-plug design supports redundant power architectures (1+1) to ensure uninterrupted operation during maintenance or PSU failure. It is suitable for rack and tower servers operating in 24×7 workloads where power redundancy and serviceability are mandatory. Compatibility with specific server models should be verified prior to deployment.