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Compact silver Pico PSU with 24-pin ATX plug and 5.5 mm barrel jack

GCROWN

GCROWN 24-pin DC-DC ATX Pico PSU 12V 250W eco gadget

SKU CH-JPT7-0VKK5

Delivers 250 W from a 12 V DC source through a 24-pin ATX connector for mini-ITX builds

  • Product typeOthers
  • 250 W peak output from a 12 V DC source
  • Direct 24-pin ATX connection without extra cables
  • 5 mm × 2.5 mm barrel jack for standard 12 V adapters
  • circuit protection shuts down output automatically
  • Compact DC-DC design built for mini ITX motherboards

Pico PSU for Mini-ITX Builds

The GCROWN 24-pin DC-DC ATX Pico PSU converts a 12 V DC input into standard ATX voltages. It plugs straight into the 24-pin motherboard connector and is rated for 250 W peak output. Designed for compact Mini-ITX systems that run from an external 12 V adapter.

Suits Builders Using a 12 V Brick

Ideal for small-form-factor PCs powered by a 12 V supply with a 5.5 mm outer and 2.5 mm inner diameter barrel jack. Not for systems that require an AC mains input or builders who need a full-size ATX power supply with native AC-DC conversion.

12 V DC Input Requirement

The unit only operates from a 12 V DC source; it cannot connect to wall power directly. A compatible 12 V adapter with the specified 5.5 mm by 2.5 mm barrel connector must be provided separately for the PSU to function.

How it compares

Measured against everything we stock in Rechargeable Fans & Gadgets, at today’s prices. Recalculated every night.

Price $60.99
Pricier than about 90% of the 109 comparable items (median $17.99).

Specifications

Product
Product typeOthers

Questions about this item

How do I connect the 12 V adapter to the 2.5 mm by 5.5 mm DC jack and the 24-pin ATX plug to the motherboard without bending pins?

Plug the 12 V adapter barrel into the 2.5 mm inner, 5.5 mm outer jack, then press the 24-pin ATX connector straight onto the motherboard socket until the latch clicks; the step people miss is aligning the keyed pins before applying force.

What maintenance does the 250 W DC-DC pico PSU need over time?

No moving parts or filters exist; just keep the 24-pin contacts and the DC jack free of dust and reseat both connectors if the system becomes unstable.

Which limit appears first when the 12 V input runs the 250 W output continuously?

The 250 W peak output rating is the first ceiling; sustained loads above that level trigger the short-circuit protection which shuts down the output.

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