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Green rectangular ATX module, 24-pin connector, switch, four output terminals, 12.8 by 4.8 cm

myVolts

myVolts XH-M229 24-pin ATX power supply module

SKU CH-2HD3-G18R7

A 24-pin ATX power supply module with four voltage outputs, on/off switch and built-in protection circuits

  • Product typeAT
  • Provides four distinct voltage outputs for versatile testing
  • Includes overcharge, over-discharge and overcurrent protection circuits
  • Automatically stops charging when the device reaches full capacity
  • Delivers stable voltage and current to protect connected equipment
  • Compact 12.8 x 4.8 cm board fits standard 24-pin ATX layouts

24-pin ATX power module for desktop chassis

The myVolts XH-M229 is a 24-pin ATX power supply module designed for desktop computer chassis. It provides four sets of different voltage outputs through a compatible ATX port, also supporting partial BTX types. A built-in switch allows convenient control of the power output. This module suits builders and technicians who need a compact power distribution board for testing or custom chassis wiring.

Protection features and stable output

The module includes charging overcharge protection, over-discharge protection and overcurrent protection. It automatically stops charging when full to prevent device damage. Output voltage and current remain stable during operation, protecting connected components. The board is described as high efficiency with fine workmanship for reliable, durable performance in normal use.

Compact ATX adapter board for custom builds

Measuring 12.8 by 4.8 centimetres (5.04 by 1.89 inches), the board fits inside standard desktop chassis without occupying excessive space. It connects directly to a 24-pin ATX header and requires no additional cables beyond the existing power supply loom. The four voltage output sets free up wiring options for custom fan controllers, lighting or auxiliary devices. Buyers who need more than four voltage rails or a fully enclosed PSU enclosure will need a different solution.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $116.99
Cheaper than about 60% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

How do I install the XH-M229 24-pin ATX module and what step is often missed?

Align the 24-pin connector with the motherboard ATX socket, press firmly until the latch clicks, then connect the four output terminals; the step often missed is securing the board with its mounting holes so it cannot shift and short against the chassis.

What maintenance or replacement will the XH-M229 need over time?

The module has no moving parts or batteries; only the solder joints and protection circuitry may degrade after years of sustained load, so replacement is only required if voltages drift out of tolerance or a protection trigger fails.

Which limit appears first when the XH-M229 runs continuously at full load?

Thermal limits on the onboard regulation components appear first; the board has no active cooling, so sustained maximum current through the four voltage rails will raise temperatures until protection circuits shut the outputs down.

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