HPE 800W Hot-Plug Power Supply (P19178-B21)

Usage Area

The HPE 800W (P19178-B21) is a server-class power supply unit designed for deployment in rack-mount and tower servers within enterprise data center environments. It is intended for continuous 24×7 operation, providing reliable electrical power for critical server infrastructure. The unit supports hot-plug replacement and redundant 1+1 configurations to ensure high availability and fault tolerance in production systems. Compatibility with specific server models should be verified prior to deployment.

Construction Features

• Enterprise-grade hot-plug form factor enabling tool-less replacement without server shutdown
• Redundant 1+1 configuration support for enhanced system uptime and power path resilience
• Compact server-standard design compatible with HPE rack and tower chassis
• Built for high-duty cycle operation in always-on server rooms and data centers
• Rigorous component selection for thermal stability under continuous load
• Field-replaceable unit (FRU) architecture for simplified maintenance procedures

Technical Parameters

• Part Number (PN): P19178-B21
• Manufacturer: HPE
• Model: HPE 800W
• Output Power: 800 W
• Type: Hot-plug (hot-swappable)
• Class: Server-grade (Enterprise, 24×7)
• Form Factor: Rack-mount and tower server compatible

Standards & Certification

The power supply is manufactured to HPE's enterprise hardware specifications, meeting industry norms for server power delivery and thermal performance. It complies with standard safety and electromagnetic compatibility (EMC) requirements applicable to commercial IT equipment. The unit is designed for deployment in environments requiring continuous operation and adherence to data center uptime standards.