HPE 800W Hot-Plug Power Supply (P40402-B21)

Equipment Overview

The HPE 800W (P40402-B21) is an enterprise-class server power supply unit designed for continuous 24×7 operation in data center and server room environments. It delivers 800 W of power and supports hot-plug functionality, enabling replacement without system shutdown. This unit is intended for rack and tower servers requiring reliable, redundant power delivery.

Main Parameters

• Part Number (PN): P40402-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise server-grade (24×7 operation)

Key Advantages

The hot-plug design allows for seamless maintenance and minimizes downtime during power supply replacement. The unit supports redundancy configurations such as 1+1, enhancing fault tolerance for mission-critical server infrastructure. It is engineered for sustained round-the-clock performance, making it suitable for demanding enterprise workloads.

Compatibility & Integration

This power supply is compatible with selected HPE rack and tower server models that accept hot-plug PSU units. Confirmation of exact server model compatibility is required at the time of order placement. The unit adheres to standard HPE enterprise power supply form factors and electrical specifications.