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Small black rectangular DC-ATX power module with 24-pin ATX connector and attached cable kit

myVolts

myVolts 180W 12V DC-ATX PicoPSU 24-pin power supply

SKU CH-PYTJ-8BZGB

A compact 180 W DC-ATX picoPSU that converts 12 V input into full ATX power for any 24-pin motherboard

  • Product typeAT
  • 180 W output powers CPU and peripherals from a single 12 V 20 A source
  • >92 % efficiency reduces heat for fanless, silent operation
  • 55 × 13 × 35 mm footprint fits ITX, POS and ultra-thin server builds
  • Fully ATX-compliant 24-pin connector works with any compatible motherboard
  • Wide 11.4–13 V input range supports diverse 12 V DC projects

Compact 12 V DC-ATX power module

This 180 W picoPSU accepts a 12 V DC input between 11.4 V and 13 V and delivers ATX-compliant voltages through a 24-pin connector. It is built for fanless, space-constrained builds such as ITX chassis, mini PCs, POS terminals or thin server cases. The board measures roughly 55 mm by 35 mm by 13 mm, making it suitable for 17 cm square motherboards. An external 12 V source rated at 20 A or higher is required.

Included output harness

The package supplies a DC-ATX module plus an output connection cable kit that breaks out standard ATX rails and HDD power leads. This harness lets the single 24-pin board feed CPU, motherboard logic and peripheral drives without extra adapters. All cables are terminated for direct connection to the corresponding headers on the target board.

Verify your 12 V source and motherboard connector

Confirm that your external 12 V supply can sustain at least 20 A continuously within the 11.4 V to 13 V window. The motherboard must present a standard 24-pin ATX socket; proprietary or reduced-pin layouts will not mate. Builds needing more than 180 W total or auxiliary PCIe power connectors fall outside this module’s capacity.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $97.99
Cheaper than about 68% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Will the 24-pin ATX connector or the output cable kit need replacement after extended use?

The unit ships with a 24-pin ATX connector and an output cable kit; both are passive components with no moving parts, so they do not have a scheduled replacement interval.

What limit appears first when the picoPSU runs continuously at full 180 W load?

The 12 V input is rated for a maximum of 20 A, so the supply hits its input-current ceiling before any individual output rail reaches its 8 A limit.

How much heat and noise does the fanless 55×13×35 mm module produce in all-day operation?

At >92 % efficiency the module dissipates only a small fraction of 180 W as heat and has no fan, so it runs silently and relies on case airflow or a heatsink to stay within the 0–40 °C operating range.

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