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Compact black power module with 24-pin ATX cable and DC input lead, 154 by 35 by 15 mm

myVolts

myVolts 300W Power Supply Module 12V DC ATX 24Pin Mini-ITX 1U

SKU CH-BRP3-EMJQ1

Compact 300W ATX module converts 12V DC to power Mini-ITX and 1U systems with industrial solid capacitors and full protection

  • TypeAT
  • 300W output powers compact builds from 12V DC input
  • Industrial solid capacitors deliver stable operation up to 55°C
  • Over-current and short-circuit protection safeguards connected components
  • 24-pin ATX cable enables direct plug-and-play installation
  • 154 x 35 x 15 mm board fits Mini-ITX and 1U cases

Compact ATX module for Mini-ITX and 1U builds

This 300W power supply module accepts a 12V DC input and delivers ATX 24-pin output for space-constrained systems. It targets builders of Mini-ITX PCs, HTPCs, POS terminals, digital set-top boxes, servers and similar embedded platforms. The board measures approximately 154 x 35 x 15mm and weighs 189g including cables, making it suited to tight enclosures where a standard PSU will not fit.

Industrial solid capacitors and plug-in cabling

Industrial solid capacitors provide high temperature resistance and stable operation across a 0 to 55°C working range. A 24-pin ATX cable, a 24-pin to 20-pin adapter, a DC input cable and an AUX cable are included for direct connection. The module requires an external 12V DC adapter capable of up to 25A input current; no AC inlet or internal fan is present on the board itself.

Passive cooling with 85% efficiency

The unit operates at 85% power efficiency and relies on system airflow for cooling, so case ventilation must handle the thermal load. Over-current and short-circuit protection guard connected components during fault conditions. With no onboard fan, acoustic output is effectively zero, leaving overall noise dependent on the chosen enclosure and external adapter.

Points forts

  • 300W output powers compact builds from 12V DC input
  • Industrial solid capacitors deliver stable operation up to 55°C
  • Over-current and short-circuit protection safeguards connected components
  • 24-pin ATX cable enables direct plug-and-play installation
  • 154 x 35 x 15 mm board fits Mini-ITX and 1U cases

Caractéristiques

TypeAT

Questions sur cet article

What input voltage range does the 12V DC interface accept in practice?

The module accepts 11.4 to 12.6V DC input and requires a separate power adapter to supply up to 25A for the 300W output.

What clearance does the 154 x 35 x 15mm board need to fit in a mini-ITX or 1U case?

The board measures approximately 154mm long, 35mm wide and 15mm high, so the case must provide at least that much open space for the module.

How is the 24-pin ATX cable connected, and which step is often missed?

Plug the included 24-pin ATX cable directly into the motherboard; the step often missed is also connecting the supplied DC input cable to a 12V adapter before powering on.

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