Name: 500W Platinum Power Supply - 80 Plus Platinum Efficiency
Brand: HP
Price: 19.95 USD
Availability: InStock

HP 720478-B21 500W Platinum Power Supply - 80 Plus Platinum Efficiency

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$19.95

Ships next business day.

In Stock: 156
Manufacturer: HP
Model or Part: 720478-B21
Condition: Refurbished
Weight: 3.00lb

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Product Information

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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Description

Overview

The HP 720478-B21 500W Platinum Power Supply delivers industry leading efficiency and reliable power for demanding workstations and servers. Certified to 80 Plus Platinum standards, this unit converts more of the incoming AC power into usable DC output, reducing waste heat and lowering electricity costs. Its compact design fits standard ATX chassis while providing clean, stable voltage to protect sensitive components.

Key Features

80 Plus Platinum certification - up to 94% efficiency at typical loads
Fully modular cable system for easy installation and improved airflow
High quality Japanese capacitors for long life and consistent performance
Active PFC (Power Factor Correction) for reduced harmonic distortion
Zero RPM fan mode - fan remains off at low to medium loads for silent operation
Built-in over voltage, under voltage, over current, short circuit, and over temperature protection
Universal input 100-240V AC supporting worldwide voltage standards

Technical Specifications

Nominal output power: 500W
Efficiency: 94% at 20% load, 96% at 50% load, 94% at 100% load
Form factor: Standard ATX (150mm x 140mm x 86mm)
Input voltage: 100-240V AC, 50/60Hz
Output connectors: 1 x 24-pin ATX, 2 x 8-pin EPS, 4 x 6+2 pin PCIe, 6 x SATA, 4 x Molex, 1 x Floppy
Operating temperature range: 0 to 50 deg C
Cooling: 120mm fan with temperature controlled speed, zero RPM mode
MTBF (Mean Time Between Failures): 100,000 hours

Applications

This power supply is ideal for high performance workstations, entry level servers, and professional graphics rigs that require stable, efficient power delivery. It is especially suited for:

CAD and 3D rendering stations
Data analysis and scientific computing platforms
Small business servers and network appliances
Gaming PCs with multiple graphics cards
Virtualization hosts that run multiple virtual machines

Choose the HP 500W Platinum Power Supply for a quiet, energy efficient, and reliable power solution that meets the demands of modern computing environments.