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Compact green circuit board module with 24-pin ATX connector and DC input cables

myVolts

myVolts Oreilet 300W 12V DC AT Power Supply Module

SKU CH-VVD2-RE2XZ

A 300W AT power module that converts 12V DC input to standard ATX output for mini-ITX and 1U cases

  • TypeAT
  • 300W output powers demanding mini-ITX builds
  • 12V DC input suits mobile and embedded projects
  • 85% efficiency reduces heat and energy waste
  • Industrial solid capacitors withstand 0–55°C operation
  • 24-pin ATX plus 20-pin adapter fits standard boards

Compact AT Power Module

The myVolts Oreilet module delivers 300W of AT power from a 12V DC source, making it a compact choice for mini-ITX and 1U chassis builds. It includes a 24-pin ATX cable, a 24-pin to 20-pin adapter, a DC input cable and an AUX cable for direct installation.

12V DC Input Constraints

The unit accepts a 12V DC input ranging from 11.4V to 12.6V with a maximum current draw of 25A, so the external adapter must meet these limits. Operating efficiency is rated at 85%, and the module is specified for ambient temperatures between 0°C and 55°C with humidity from 45% to 75%.

300W Capacity and Protection

A 300W ceiling suits low-power systems such as HTPCs, POS terminals, digital set-top boxes or lightweight network servers. Over-current and short-circuit protection guard connected components, while industrial solid capacitors support stable operation up to the rated thermal limit.

Highlights

  • 300W output powers demanding mini-ITX builds
  • 12V DC input suits mobile and embedded projects
  • 85% efficiency reduces heat and energy waste
  • Industrial solid capacitors withstand 0–55°C operation
  • 24-pin ATX plus 20-pin adapter fits standard boards

Specifications

TypeAT

Questions about this item

Should I pick the 300W module or a lower-wattage version for my mini-ITX build?

This listing only offers the 300W module; choose it if your 12V DC adapter can supply up to 25A and your build stays within the 300W output limit.

What does the 300W rating mean when the module is installed in a 1U case?

It delivers up to 300W total output at 85% efficiency from a 12V DC source, provided the adapter handles the 25A peak input current.

How does the 24-pin ATX connector limit what motherboards I can use?

The 24-pin ATX cable plugs directly into standard ATX motherboards; a 24-pin-to-20-pin adapter is included for older 20-pin boards.

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