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Clear plastic 24-pin ATX PSU bridge adapter

XSPC

XSPC PSUBRIDGE24P 24-pin ATX PSU bridge data adapter

SKU CH-8PZA-D88MN MPN PSUBRIDGE24P

Powers an ATX PSU without a motherboard for 20- or 24-pin units during liquid-cooling assembly and testing

  • Cable length0 ft (0 m)
  • Product weight0.1
  • Powers PSU independently for bench testing without a motherboard
  • Bridges 24-pin ATX connector to start power supply instantly
  • Compatible with 20 and 24-pin ATX power supplies
  • Clear housing allows visual inspection of pin connections
  • Lightweight tool weighing 0.1 simplifies liquid cooling loop testing

ATX PSU Bridge for Liquid Cooling Builds

The XSPC PSUBRIDGE24P is a 24-pin adapter that lets a power supply run without a motherboard connection. It is designed for technicians and hobbyists who need to test or fill liquid cooling loops before final system assembly. The tool bridges the required pins so the PSU starts immediately when its own switch is flipped.

Limited to Basic Power-On Function

The adapter only carries the short circuit that tells the PSU to turn on; it does not pass monitoring signals or provide load regulation. It fits both 20 and 24-pin ATX connectors but cannot report voltages, fan speeds or protection states back to a test device. Users must verify rail stability with separate measuring equipment.

Clear Housing Shows Pin Engagement

The transparent body lets builders confirm that every pin seats fully before power is applied. At 0.1 weight units and with no cable length, the bridge sits directly on the PSU connector without adding strain or clutter. This compact form keeps the work area tidy during loop leak testing or component validation.

How it compares

Measured against everything we stock in Interface & Card Adapters, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 78% of the 354 comparable items (median $21.99).

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Specifications

Product
Brand nameXSPC
Model namePSUBRIDGE24P
Size & build
Cable length0 ft (0 m)

Questions about this item

Which ATX power supply pin counts does the XSPC PSUBRIDGE24P support?

The bridge fits both 20-pin and 24-pin ATX power supplies, so a single adapter covers either connector type.

What does the XSPC PSUBRIDGE24P actually do once it is plugged into a PSU?

It shorts the power-on pins so the PSU starts without a motherboard, letting you run pumps and fans while you test a liquid-cooling loop.

What interface does the XSPC PSUBRIDGE24P use and what does that limit in practice?

It plugs directly into the 24-pin ATX socket, so it only works with standard ATX supplies and cannot power non-ATX or proprietary units.

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