HPE 800W Hot-Plug Power Supply P40425-B21

What It Is

The HPE 800W (P40425-B21) is an enterprise-class server power supply unit delivering 800 W of output power. Designed for rack and tower servers, this hot-plug model supports redundant power configurations to ensure high availability in 24×7 data center environments. It is a genuine HPE part intended for corporate IT infrastructure.

Technical Details

• Part Number (PN): P40425-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Server-grade (Enterprise, 24×7 operation)

Configuration & Options

• Unit is supplied as a single hot-plug power supply module.
• Supports 1+1 redundancy when paired with a second identical PSU for fault-tolerant server operation.
• Compatible with select HPE rack and tower server models (exact server compatibility must be verified prior to ordering).
• Replacement or spare part for existing HPE server power systems.

Operating Conditions

This unit is engineered for continuous round-the-clock operation in server rooms and data centers. It is suitable for deployment in enterprise server infrastructure where hot-swap capability and power redundancy are required to minimize downtime. The PSU is designed to operate within standard server chassis environments under typical enterprise load conditions.