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Compact rectangular power supply module with black circuit board, silver capacitors and 24-pin ATX connector plus DC and AUX cables

myVolts

myVolts 300W 12V DC AT Power Supply Module with 24Pin AUX DC Input Cable

SKU CH-6BAX-ZAFKT

Compact 300 W AT module converts 12 V DC input to standard ATX power for Mini-ITX and 1U cases, with solid capacitors and full protection

  • TypeAT
  • 300W output from 12V DC input for compact builds
  • 24-pin ATX connector enables plug-and-play installation
  • 85% efficiency reduces heat in small enclosures
  • Industrial solid capacitors withstand 0–55°C operation
  • Over-current and short-circuit protection safeguards connected components

Compact 300W DC-ATX Module for Mini-ITX Builds

This 12V DC-to-ATX power supply module delivers 300W of output power for Mini-ITX and 1U chassis. It accepts a 12V DC source between 11.4V and 12.6V and requires an external AC-DC adapter. Industrial solid capacitors provide stable operation from 0°C to 55°C with 85% efficiency. The board measures approximately 154mm by 35mm by 15mm, saving space in compact enclosures.

Input Limits and Protection Features

The module draws a maximum of 25A from the 12V DC input, so the accompanying adapter must supply at least that current. Over-current and short-circuit protections guard connected components against electrical faults. An operating humidity range of 45% to 75% and atmospheric pressure tolerance of 86kPa to 106kPa suit industrial and embedded environments. The 24-pin ATX connector enables direct, plug-and-play connection to compatible motherboards.

300W Capacity for Low-Power Systems

At 300W continuous output, the module comfortably powers Mini computers, HTPCs, POS terminals, digital set-top boxes and network servers with modest power draw. It runs out of headroom when paired with discrete graphics cards or high-wattage CPUs that push total system demand above the rated limit. The package includes a 24-pin to 20-pin adapter cable, a DC input cable and an AUX cable for flexible installation. Weighing 189g, it adds minimal mass to portable or space-constrained deployments.

Points forts

  • 300W output from 12V DC input for compact builds
  • 24-pin ATX connector enables plug-and-play installation
  • 85% efficiency reduces heat in small enclosures
  • Industrial solid capacitors withstand 0–55°C operation
  • Over-current and short-circuit protection safeguards connected components

Caractéristiques

TypeAT

Questions sur cet article

How do I pick the right cable from the 24Pin ATX, 24Pin-to-20Pin adapter, DC input and AUX cables included?

Use the 24Pin ATX connector for standard motherboards; add the 24Pin-to-20Pin adapter if your board has a 20-pin socket. Connect the DC input cable to a 12V source (11.4-12.6V, max 25A). The AUX cable supplies auxiliary power where required.

What does the 300W output rating mean when the module is installed in a Mini-ITX or 1U case?

The module delivers up to 300W total from a 12V DC input at 85% efficiency. With 11.4-12.6V input and up to 25A draw, it powers Mini-ITX boards, POS terminals, HTPCs and similar low-profile systems within a 0-55°C operating range.

What does the AT-type 24Pin interface cap in practice?

The AT-form-factor module uses a 24Pin ATX output connector and a DC barrel input. It supplies 300W combined across all rails, limited by the 12V DC input (11.4-12.6V, 25A max) and 85% conversion efficiency. No internal AC stage is present.

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