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

What It Is

The HPE 800W (P20249-B21) is an enterprise-class server power supply unit delivering 800 W of output power. It is a hot-plug (hot-swappable) unit designed for continuous 24×7 operation in server infrastructure, supporting redundant power configurations for enhanced fault tolerance.

Technical Details

• Part Number (PN): P20249-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Server-grade (Enterprise, 24×7)
• Form Factor: Compatible with rack-mount and tower servers

Configuration & Options

• Unit is supplied as a single power supply module; hot-plug design enables replacement without server shutdown.
• Supports redundant configuration (1+1) for improved system availability.
• Compatibility with specific HPE server models must be confirmed at the time of ordering, as the unit is intended for select rack and tower platforms.
• No additional accessories or mounting hardware are included with the base module.

Operating Conditions

This power supply is engineered for continuous operation in data center or server room environments, where 24×7 uptime is required. It is suitable for deployment in enterprise racks and tower chassis, either as a primary or redundant unit, provided the host server supports the hot-plug interface and power profile. Environment conditions (temperature, humidity) follow standard HPE server PSU specifications as per the host system’s requirements.