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Compact black DC-DC pico PSU module with 24-pin ATX connector and 5.5 mm DC jack

Ruth's sister

Ruth's sister 250W 12V DC-DC ATX pico PSU internal power cable

SKU CH-ZJRV-J71Q6

A compact 12 V DC-to-ATX module delivering up to 250 W for mini-ITX builds with 90 % efficiency and a 24-pin connector

  • 12V DC input powers compact builds without an AC brick
  • 250W peak output supports mid-range components in tight cases
  • 90% working efficiency reduces heat and wasted energy
  • Full modular design keeps cables tidy inside small chassis
  • Active PFC and solid capacitors deliver stable voltage rails

Pico PSU for Mini-ITX builds

This internal power module delivers up to 250 W from a 12 V DC source through a 24-pin ATX connector. It targets builders assembling compact desktop or server systems that run from an external adapter. The fully modular board uses industrial solid capacitors and active PFC to maintain 90 % efficiency in a silent, fanless package.

Suits space-constrained systems.

The unit fits mini-ITX and 1U chassis where a standard ATX supply cannot. It provides 24-pin ATX, two 4-pin AUX 12 V and one 4-pin Molex connectors for motherboard, CPU and peripheral power. Builders who need a dedicated graphics-card power connector or more than 250 W of continuous output must choose a different solution.

12 V DC input range 11.4-12.6 V at up to 21 A

The module accepts a narrow 12 V DC window (11.4-12.6 V) through a 2.5 mm × 5.5 mm barrel jack and draws a maximum of 21 A. A matching external adapter capable of sustaining that current is mandatory; without it the board cannot deliver its rated 250 W across the 3.3 V, 5 V, 5 VSB, 12 V and -12 V rails.

Highlights

  • 12V DC input powers compact builds without an AC brick
  • 250W peak output supports mid-range components in tight cases
  • 90% working efficiency reduces heat and wasted energy
  • Full modular design keeps cables tidy inside small chassis
  • Active PFC and solid capacitors deliver stable voltage rails

Specifications

No published specifications for this item yet.

Questions about this item

Will the 24-pin ATX connector and 4-pin CPU plug from this module fit the motherboard I already use?

The module provides a 24-pin ATX connector plus a 4-pin CPU auxiliary plug, matching standard desktop and server boards that use those interfaces.

How can I confirm the 250 W pico PSU is delivering stable rails after I install it?

Measure the +3.30 V, +5.00 V, +5.00 VSB, +12.00 V and -12 V outputs with a multimeter; they should stay within ATX tolerance while the 12 V DC input remains between 11.4 V and 12.6 V.

Does the package include the required 12 V DC power adapter and the 2.5 mm × 5.5 mm input cable?

The module ships with the 24-pin ATX board connector and two 4-pin AUX cables; a separate 12 V DC adapter with a 2.5 mm × 5.5 mm plug must be purchased to supply the 21 A input current.

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