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HP 637654-B21 500W 277V HE Power Supply

HP 637654-B21 500W 277V HE Power Supply
HP 637654-B21 500W 277V HE Power Supply
The HP 637654-B21 500W 277V HE Power Supply delivers reliable high-efficiency power for demanding enterprise hardware. Designed to meet the rigorous standards of HP servers and storage systems, this unit provides stable output, low noise operation an... Read More
price
$29.95
  • In Stock: 95
  • Manufacturer: HP
  • Model or Part: 637654-B21
  • Condition: Refurbished
  • Weight: 3.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The HP 637654-B21 500W 277V HE Power Supply delivers reliable high-efficiency power for demanding enterprise hardware. Designed to meet the rigorous standards of HP servers and storage systems, this unit provides stable output, low noise operation and advanced protection features that keep critical workloads running smoothly. Whether you are upgrading an existing rack or building a new data centre, this power supply offers the performance and durability required for continuous operation.

Key Features

  • 500 watts of continuous power for high-performance servers
  • 277V input range supports flexible installation in most data centre environments
  • High efficiency design reduces energy consumption and lowers operating costs
  • Built-in over-voltage, over-current and short-circuit protection safeguards connected components
  • Modular connector layout simplifies cable management and serviceability
  • Quiet fan operation minimizes acoustic impact in dense rack deployments

Technical Specifications

  • Model/Part Number: 637654-B21
  • Manufacturer: HP
  • Power Output: 500W
  • Input Voltage: 277V AC
  • Frequency: 50/60 Hz
  • Efficiency: up to 92 percent (80 PLUS Gold level)
  • Form Factor: Standard 1U rack mount
  • Connector Types: 8-pin EPS, 6-pin PCIe, multiple SATA power connectors
  • Operating Temperature: 0 deg to 40 deg C
  • Storage Temperature: -40 deg to 85 deg C
  • Dimensions: 4.45 in (H) x 5.5 in (W) x 7.5 in (D)
  • Weight: approx 3.2 lbs

Applications
This HP 500W 277V HE Power Supply is ideal for a wide range of enterprise scenarios, including:

  • High-density blade and rack servers that demand consistent power delivery
  • Storage arrays and network appliances requiring robust, fault-tolerant operation
  • Virtualisation hosts running multiple virtual machines with variable load profiles
  • Edge computing nodes where space and energy efficiency are critical
  • Upgrade projects for legacy HP systems seeking modern efficiency standards

By choosing the HP 637654-B21 power supply, you ensure that your critical infrastructure receives the power stability, efficiency and protection it needs to maintain peak performance and reliability.