HPE 800W Power Supply (P40401-B21) – 80 PLUS Gold, Hot-plug

Equipment Overview

The HPE 800W P40401-B21 is an enterprise-class hot-plug power supply unit designed for continuous 24×7 operation in server infrastructure. It provides reliable power delivery for rack and tower servers, supporting hot-swap replacement and redundant configurations to maintain system uptime. This unit is engineered for demanding data center environments where power stability and serviceability are critical.

Main Parameters

• Part Number (PN): P40401-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Certification: 80 PLUS Gold
• Type: Hot-plug (hot-swappable)
• Class: Server-grade (Enterprise, 24×7)

Key Advantages

This power supply is selected for enterprise projects due to its 80 PLUS Gold certification, which ensures high energy efficiency and reduced operational power losses. The hot-plug design enables replacement without server shutdown, minimizing downtime in critical environments. Its support for redundant 1+1 configurations provides fault tolerance for mission-critical workloads.

Compatibility & Integration

The unit is compatible with HPE rack and tower servers, with exact server model compatibility to be verified at the time of order placement. It complies with standard enterprise power supply form factors and hot-plug interface requirements, allowing straightforward integration into existing HPE server chassis.