HPE 800W Hot-Plug Power Supply (P20249-B21) for ProLiant

Usage Area

The HPE 800W power supply unit (P20249-B21) is designed for deployment in rack-mount and tower servers operating in enterprise data centers and server rooms. It supports continuous 24×7 operation, making it suitable for mission-critical infrastructure where sustained power delivery is required. The unit is intended for use in redundant power configurations to maintain system availability during maintenance or power supply failure.

Construction Features

• Hot-plug (hot-swappable) design enables replacement without powering down the server
• Enterprise-class construction rated for continuous round-the-clock operation
• Form factor compatible with HPE server chassis supporting hot-plug PSU bays
• Redundancy support in 1+1 configuration for fault-tolerant power delivery
• Modular architecture for simplified serviceability and spare part management

Technical Parameters

• Part Number (PN): P20249-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swap)
• Class: Enterprise (24×7)

Standards & Certification

The power supply unit complies with HPE enterprise hardware specifications for server components. It is designed to meet industry-standard electrical safety and electromagnetic compatibility requirements applicable to server-class power supplies. Compatibility with specific HPE server models must be verified prior to order placement.