HPE 800W Hot-Plug Power Supply P39883-B21 for ProLiant

What It Is

The HPE 800W (P39883-B21) is an enterprise-class server power supply unit designed for continuous 24×7 operation in server infrastructure. This hot-plug (hot-swappable) unit supports redundant power configurations for enhanced fault tolerance in rack and tower servers. The P39883-B21 is manufactured by HPE and is intended for deployment in corporate data center environments.

Technical Details

• Part Number (PN): P39883-B21
• Manufacturer: HPE
• Model: HPE 800W
• Power Output: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Enterprise server grade (24×7 operation)

Configuration & Options

• Unit supports hot-swap replacement without server shutdown
• Redundant power configuration (1+1) for high availability
• Compatibility with specific HPE server models must be verified prior to ordering
• Suitable for rack and tower server form factors

Operating Conditions

The P39883-B21 is engineered for round-the-clock operation in enterprise server rooms and data centers. It is suited for mission-critical workloads requiring power redundancy and minimal downtime. The hot-plug design allows for maintenance and replacement during live operation, ensuring continuous service availability. Deployment environments include standard 19-inch rack enclosures and standalone tower chassis, provided the server model supports this PSU.