HPE 800W Hot-Plug Power Supply (80 PLUS Gold, P40408-B21)

Equipment Overview

The HPE 800W Power Supply (P40408-B21) is an enterprise-class, hot-plug power supply unit designed for continuous 24×7 operation in server infrastructure. It delivers 800 watts of power with an 80 PLUS Gold certification, ensuring high electrical efficiency for demanding data center environments. This unit is intended for use in rack and tower servers, supporting redundant configurations to maintain uptime. Its hot-swappable design enables replacement without powering down the host system.

Main Parameters

• Part Number (PN): P40408-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Certification: 80 PLUS Gold
• Type: Hot-plug (hot-swap)
• Class: Enterprise (24×7 continuous operation)

Key Advantages

The P40408-B21 provides hot-plug functionality, allowing for live replacement and serviceability in mission-critical environments. It supports redundant (1+1) power configurations, enhancing system fault tolerance and operational reliability. The 80 PLUS Gold certification ensures efficient power conversion, reducing energy losses and operational heat. This model is a standard choice for enterprises requiring stable power delivery in high-availability server deployments.

Compatibility & Integration

This power supply is compatible with select HPE rack and tower server models; exact server model compatibility must be verified at the time of order. It adheres to industry-standard hot-plug form factors and is designed for integration into HPE chassis with redundant power zones. No additional proprietary cabling is required for standard HPE server installations.