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Green rectangular circuit board with ATX connector and labelled voltage terminals 12 3.3 5V GND

SMUGDESK

SMUGDESK ATX Power Supply Breakout Test Module power adapter

SKU CH-VZQF-60A01

Breakout board activates an ATX power supply without a motherboard, exposing +12 V, +5 V, +3.3 V and ground terminals for voltage measurement and DIY circuit power

  • Activates ATX PSU without a motherboard
  • Provides direct access to 12V, 3.3V, 5V and GND terminals
  • Enables quick voltage measurement with a multimeter
  • Converts spare ATX units into bench power sources
  • Compact board layout suited for lab testing and DIY projects

ATX PSU Breakout Test Module

This SMUGDESK breakout board lets technicians and hobbyists activate a standard desktop ATX power supply without a motherboard. By shorting the PS_ON pin the unit powers on and exposes all common output rails for direct access. It is built for hardware debugging, voltage verification and repurposing older PSUs as bench sources.

Capacity and headroom

The board provides accessible terminals for +12 V, +5 V, +3.3 V and ground connections, covering the standard voltages needed for most bench testing and DIY circuits. It runs out when a project requires voltages or current limits beyond what the attached ATX supply itself can deliver.

Manual PS_ON trigger design

A simple onboard jumper or shorting point replaces the motherboard handshake, so the PSU starts immediately for testing. This single feature decides whether the module fits a workflow that needs quick, motherboard-free power activation.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 90% of the 3,875 comparable items (median $23.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the SMUGDESK breakout module let me power my older ATX supply without a motherboard installed?

Yes, the board shorts the PS_ON pin so the ATX unit starts immediately, giving direct access to +12 V, +5 V, +3.3 V and ground terminals for bench use.

How can I confirm the SMUGDESK module is delivering the correct voltages after I wire it up?

Connect a multimeter to the exposed +12 V, +5 V, +3.3 V and GND terminals; stable readings at those rails show the board and the supply are functioning as intended.

What comes with the SMUGDESK ATX test board and what must I provide separately?

The package contains only the breakout circuit board; you must supply a standard ATX power supply, connecting cables and any load or measuring instruments yourself.

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