HPE 800W Hot-Plug Power Supply P40403-B21

Product Description

The HPE 800W power supply unit (MPN: P40403-B21) is an enterprise-class hot-plug power module designed for continuous 24×7 operation in server infrastructure. Engineered for rack and tower servers, this unit supports hot-swap replacement and redundant (1+1) configurations, making it suitable for mission-critical B2B deployments requiring high availability.

Technical Specifications

• Brand: HPE
• MPN: P40403-B21
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise server grade (24×7 operation)
• Redundancy Support: 1+1 configuration for fault tolerance

Design Features

• Hot-plug capability enables replacement without server shutdown, minimizing downtime in production environments.
• Redundancy support (1+1) ensures continuous power delivery in the event of a single unit failure.
• Enterprise-class design rated for round-the-clock (24×7) operation in server rooms and data centers.
• Form factor compatible with both rack and tower server chassis.

Application Area

This power supply is deployed in enterprise server environments across Poland and the CEE region, including data centers, corporate server rooms, and managed hosting facilities. It is typically used in redundant power configurations for critical workloads such as virtualization, database hosting, and business applications, where uninterrupted power delivery is essential. Compatibility with specific HPE server models must be verified prior to ordering.