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Compact green circuit board module with 24-pin ATX, AUX and SATA cables attached

myVolts

myVolts 300W DC-ATX 12V Power Supply Module for Mini-ITX/1U

SKU CH-VM9D-28MKK

A compact 300 W DC-ATX module converts 12 V input for Mini-ITX and 1U cases with 85 % efficiency and full protection

  • TypeAT
  • Delivers 300 W from a 12 V DC source
  • Industrial solid capacitors withstand 0–55 °C operating range
  • Over-current and short-circuit protection guards connected hardware
  • 24-pin ATX plus AUX and SATA cables for direct plug-and-play
  • Compact 154 × 35 × 15 mm board fits Mini-ITX and 1U cases

Compact DC-ATX module for 12 V systems

The myVolts 300 W power supply module accepts a 12 V DC source between 11.4 V and 12.6 V and delivers up to 300 W through a 24-pin ATX connector, an AUX lead and a SATA cable. It measures 154 x 35 x 15 mm and weighs 189 g, making it suitable for Mini-ITX and 1U enclosures. Industrial solid capacitors and 85 % efficiency support continuous operation up to 55 °C.

Suits builders using a 12 V brick in tight chassis

This unit is designed for integrators powering Mini-ITX boards, HTPCs, POS terminals or 1U servers from a single 12 V adapter rated for at least 25 A. It is not for systems that require AC mains input directly, builders who need multiple PCIe power connectors, or configurations that exceed the 300 W output limit.

12 V DC input range 11.4 V to 12.6 V

The module only operates within this narrow DC window, so the external adapter must maintain voltage under load without sagging below 11.4 V or rising above 12.6 V. Over-current and short-circuit protection are built in, but no AC inlet or voltage selector is present.

Points forts

  • Delivers 300 W from a 12 V DC source
  • Industrial solid capacitors withstand 0–55 °C operating range
  • Over-current and short-circuit protection guards connected hardware
  • 24-pin ATX plus AUX and SATA cables for direct plug-and-play
  • Compact 154 × 35 × 15 mm board fits Mini-ITX and 1U cases

Caractéristiques

TypeAT

Questions sur cet article

How do I install the 24-pin ATX cable in a Mini-ITX case?

Connect the 24-pin to 20-pin cable from the module to the motherboard, plug the DC input cable into a 12V adapter, and secure the 154 x 35 x 15mm board in the case.

What maintenance will the industrial solid capacitors need?

The capacitors are rated for high temperature resistance up to 55°C; no routine maintenance is required, but keep the operating temperature within 0–55°C and humidity 45–75% for long life.

What limit appears first when running the module at full 300W load continuously?

The 12V DC input draws up to 25A; the external adapter must supply that current steadily, otherwise the input current limit will be reached before the 300W output rating.

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