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HP 451890-B21 750 Watts Redundant Power Supply
- Power Output: 750 Watts
- Redundant design for high availability
- Hot-swappable for non-disruptive replacement
- Compatible with select HP ProLiant servers and storage
- Efficient power conversion
- Ensures system stability
- Meets industry standards for power delivery
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Product Overview
The HP 451890-B21 is a 750 Watt redundant power supply unit designed for HP ProLiant servers and storage systems. It provides reliable and efficient power delivery to ensure high availability.
Technical Information
| Wattage | 750 W |
| Type | Redundant Power Supply |
| Form Factor | Hot-swappable |
| Compatibility | HP ProLiant Servers & Storage (specific models) |
Additional Specifications
| Input Voltage | AC (typically 100-240V) |
| Output Voltage | DC |
| Features | High Efficiency |
Product Description
The HP 451890-B21 is a high-efficiency, 750-watt power supply unit specifically designed to provide reliable power to HP ProLiant servers and compatible storage systems. Its primary function is to convert AC power from the mains into the DC power required by the server's internal components. This unit is built to meet the demanding power requirements of enterprise-grade hardware, ensuring stable and consistent operation. A key feature of this power supply is its redundant capability. When used in pairs within a compatible server chassis, it allows for high availability. If one power supply unit fails, the other can seamlessly take over the entire power load without interruption to the system's operation. This redundancy is critical for mission-critical applications and environments where downtime is unacceptable. The hot-swappable design further enhances this by allowing a failed unit to be replaced while the system remains powered on. This 750W PSU is engineered for efficiency, helping to reduce energy consumption and heat generation within the server. This not only contributes to lower operating costs but also improves the overall thermal management of the system. Compatibility is typically with specific generations and models of HP ProLiant servers and storage arrays, so verification against the server's documentation is recommended.
