HPE P03178-B21 1000W Flex Slot Titanium Hot Plug Power Supply Kit

The HPE P03178-B21 is a 1000W Flex Slot Titanium Hot Plug Power Supply Kit designed for compatible HPE ProLiant servers. It delivers efficient, reliable power for business-critical server environments where uptime, redundancy and energy efficiency are important. With its HPE Flex Slot design, this power supply helps reduce wasted space inside the server chassis while supporting quick hot-plug replacement. It is ideal for server repairs, upgrades, new builds, redundancy requirements and spare stock for IT support teams.

Key Features HPE part number: P03178-B21 Power output: 1000W Form factor: HPE Flex Slot Efficiency rating: 80 PLUS Titanium Power efficiency: Up to 96% Hot-plug design: Supports fast replacement with minimal disruption Designed for compatible HPE ProLiant servers

Ideal for replacement, redundancy and server build projects

Product Overview The HPE 1000W Flex Slot Titanium Hot Plug Power Supply Kit is a strong run-rate spare for HPE ProLiant infrastructure. It is commonly used where a server requires a higher-wattage PSU than standard 500W or 800W options, especially in more demanding configurations with additional memory, storage, processors or expansion cards. Power supplies are one of the most commonly requested HPE server spares because they are critical to server uptime. Many ProLiant servers are configured with dual power supplies for redundancy, making the P03178-B21 a useful option for maintenance, upgrades and spare stock.

Why Buy This PSU? The P03178-B21 is suitable for customers who need to replace a failed HPE power supply, add a second redundant PSU, or support a higher-power server configuration. Its Titanium efficiency rating helps reduce power waste, making it well suited to datacentre, virtualisation and business server environments.

Common Use Cases Replacement power supply for compatible HPE ProLiant servers Adding redundant power to supported server configurations Higher-power HPE server builds Virtualisation hosts and business-critical workloads Datacentre spare stock MSP and IT support inventory Server repair and maintenance projects

Compatibility The P03178-B21 is part of the HPE Flex Slot power supply range and is designed for compatible HPE ProLiant server platforms. Compatibility should always be checked against the exact HPE server model, generation and configuration before purchase.

Also Known As This part may also be referenced with related spare, generic or assembly numbers depending on supply route and condition, including: P03178-B21 P44412-001 P03159-001 P03160-001