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Bestec ATX0300D5WC Power Supply
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Bestec ATX0300D5WC Power Supply
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Bestec ATX0300D5WC Power Supply

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  • Product Type: Internal Desktop Power Supply Unit (PSU) 
  • Form Factor: Standard ATX Desktop / Mini Tower
  • Max Output Power: 300 Watts Max 
  • AC Input Range: 100V–127V AC (8A) / 200V–240V AC (4A) Manual Switch
  • Input Frequency Range: 50Hz–60Hz
  • DC Output Ratings:
    • +12V === 19.0A
    • +5V === 30.0A
    • +3.3V === 28.0A
    • +5Vsb === 2.0A
    • -12V === 0.8A

  • Motherboard Connectors:
    • 1 x 24-Pin ATX Main Power Connector
    • 1 x 4-Pin ATX +12V CPU Power Connector

  • Peripheral Connectors:
    • 4 x Straight SATA Power Connectors
    • 2 x 4-Pin Large Molex IDE Device Connectors
    • 1 x Floppy Drive Connector 

  • Cooling System: 1 x 80mm Rear Exhaust Cooling Fan
  • Dimensions: 150mm x 140mm x 86mm

KSh2,000.00

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Genuine Bestec ATX-0300D5WC Power Supply Now Available

Looking for a replacement Bestec ATX-0300D5WC power supply? We’ve got you covered. This reliable 300W unit is commonly used in HP, Compaq, and other OEM desktop systems. Known for its solid performance and durability, this model is perfect for everyday computing needs.

All units are tested, cleaned, and ready to install.

Why Choose the Bestec ATX-0300D5WC?

Here’s why this power supply is still a top pick:

  • 300W of continuous power output

  • Quiet cooling with built-in fan

  • Proven compatibility with various OEM systems

  • Stable voltage for long-term reliability

It’s designed to keep your system running efficiently, especially in office or home desktop environments.

Perfect Fit for Older Desktop PCs

The Bestec ATX-0300D5WC is compatible with:

  • HP and Compaq systems

  • Entry-level and mid-range desktops

  • Systems using 20+4 pin ATX connectors, Molex, SATA, and floppy drives

Ideal for repairs, upgrades, and refurbishments, this PSU extends the life of your trusted machines.

Technical Specifications

  • Model: ATX-0300D5WC

  • Brand: Bestec

  • Wattage: 300W

  • Form Factor: Standard ATX

  • Input Voltage: 100–240V AC (Auto-Switching)

  • Connectors: 20+4 Pin ATX, SATA, Molex, Floppy (varies by version)

  • Cooling: 80mm internal fan for efficient airflow

Fully Tested and Guaranteed

Every unit is:

  • Tested under full electrical load

  • Inspected for physical condition and performance

  • Backed by a warranty or replacement policy

We make sure you receive a power supply you can count on from day one.

Fast Shipping & Reliable Customer Service

With every order, you get:

  • Secure packaging to avoid damage

  • Fast nationwide shipping

  • Expert support for compatibility and installation

Need help? We’re always ready to assist.

A Smart Choice for Budget Repairs

This Bestec model is a smart solution for:

  • Maintaining older PCs in service

  • IT departments needing reliable spares

  • Home users restoring family desktops

It delivers steady performance—without the high cost.

Order Your Bestec ATX-0300D5WC Today

Avoid downtime and system instability. Get your Bestec ATX-0300D5WC power supply now and enjoy:

  • Genuine OEM reliability

  • Quick installation

  • Smooth system performance

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This 300-watt internal power supply is manufactured by Bestec as an original equipment manufacturer replacement module for various legacy HP Pavilion and Compaq Presario desktop towers. It features standard ATX casing dimensions paired with custom wire lengths to deliver highly stable voltage lines to classic desktop system boards.

 

  • Product Type: Internal Desktop Power Supply Unit (PSU) 
  • Form Factor: Standard ATX Desktop / Mini Tower
  • Max Output Power: 300 Watts Max 
  • AC Input Range: 100V–127V AC (8A) / 200V–240V AC (4A) Manual Switch
  • Input Frequency Range: 50Hz–60Hz
  • DC Output Ratings:
    • +12V === 19.0A
    • +5V === 30.0A
    • +3.3V === 28.0A
    • +5Vsb === 2.0A
    • -12V === 0.8A

  • Motherboard Connectors:
    • 1 x 24-Pin ATX Main Power Connector
    • 1 x 4-Pin ATX +12V CPU Power Connector

  • Peripheral Connectors:
    • 4 x Straight SATA Power Connectors
    • 2 x 4-Pin Large Molex IDE Device Connectors
    • 1 x Floppy Drive Connector 

  • Cooling System: 1 x 80mm Rear Exhaust Cooling Fan
  • Dimensions: 150mm x 140mm x 86mm 
  • Compatible Manufacturer Model Numbers: ATX0300D5WC, ATX-300-12Z, DPS-300AB-19 A, HP-D3057F3R
  • Compatible HP Spare / Part Numbers: 5188-2625, 5188-2627, 5187-6114, 5188-0131
  • System Compatibility: HP Pavilion a1000 Series, HP Pavilion a6000 Series, HP Pavilion e9000 Series, HP Media Center m7000 Series, HP Media Center m8000 Series, Compaq Presario SR1000 Series, Compaq Presario SR5000 Series

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