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Four small black rectangular ABS ATX power supply testers

myVolts

myVolts ATX Power Supply Tester 4pcs Black ABS

SKU CH-PHXQ-EXF98

ATX power-supply tester bridges the 20/24-pin connector so the PSU runs without a motherboard, using 1007 18AWG cables and ABS housings

  • TypeAT
  • Powers PSU without motherboard using 24-pin jumper
  • 1007 18AWG cables ensure reliable jumper connections
  • Tests water cooling, miners, fans, drives, PSUs
  • ABS enclosure resists deformation for lasting use
  • Four testers included for multi-unit verification

Tool-free PSU activation

This ATX power supply tester lets you power a PSU without connecting it to a motherboard. The 24-pin jumper bridges the 20/24-pin connector for instant startup. It is aimed at technicians and hobbyists who need to verify power delivery before a full build.

18AWG jumper wiring

Each unit uses 1007 18AWG cables for the jumper connection to maintain reliable contact over repeated use. The ABS enclosure resists deformation during handling. No active cooling or fan is present, so operation adds no audible noise to the bench.

Four testers per pack

The package includes four identical testers finished in black ABS. Each measures 1.97 by 0.79 by 0.39 inches, leaving ample space around neighbouring components. They free up a motherboard slot during loop testing, water-cooling checks or drive power verification.

Highlights

  • Powers PSU without motherboard using 24-pin jumper
  • 1007 18AWG cables ensure reliable jumper connections
  • Tests water cooling, miners, fans, drives, PSUs
  • ABS enclosure resists deformation for lasting use
  • Four testers included for multi-unit verification

Specifications

TypeAT

Questions about this item

How do I install the 24-pin ATX jumper and which step do people get wrong?

Bridge the green and any black wire on the 20/24-pin connector using the supplied 18AWG jumper; the common mistake is leaving the PSU switched on at the wall while inserting the jumper.

What maintenance or replacement will the tester need later?

The ABS housing and 1007 18AWG cables are rated for long-term use; no scheduled maintenance is required, but replace the unit if the jumper pins bend or the plastic shows cracking.

What limit appears first during sustained testing of a power supply?

The tester itself has no thermal or time limit; the practical limit is the power supply's own protection circuitry, which will shut down if its rated output is exceeded.

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