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Green PCB adapter board with 24-pin ATX, CPU 4+4-pin, two SATA, graphics 2+6-pin and two DC5525 connectors, cables attached

myVolts

myVolts LD-A450WL 450W ATX Power Supply Adapter Board

SKU CH-V7T6-1C6AB MPN LD-A450WL

ATX breakout board delivers 450 W from a 12 V DC source with over-current and short-circuit protection for mini-ITX, HTPC and industrial builds

  • TypeAT
  • Eliminates 24 motherboard wires with direct ATX plug
  • Delivers 450W from a single 12V input source
  • Supplies +12V at 30A plus +5V and +3.3V rails
  • Includes overcurrent and short-circuit protection on all outputs
  • Provides CPU, GPU, SATA and DC5525 connectors for compact builds

Compact ATX Adapter for 12 V Systems

The myVolts LD-A450WL is a 450 W ATX power-supply adapter board that plugs straight into a 24-pin motherboard connector. It accepts a single 12 V DC input and delivers +3.3 V, +5 V, +12 V and +5 VSB rails for small-form-factor builds. On-board over-current and short-circuit protection shut the outputs down when limits are exceeded.

Fits MINI-ITX, HTPC and embedded boxes.

Builders of MINI computers, HTPCs, POS terminals, ITX cases, web servers, advertising players, bank terminals, low-power systems or industrial control units will appreciate the cable-free layout. Systems that need more than 30 A on the 12 V rail, additional PCIe power connectors or redundant supplies should look at a full-size ATX unit instead.

Single 12 V DC input delivers 450 W through

The board draws 12 V through a DC5525 jack and regulates it at 250-350 kHz, providing up to 30 A on the 12 V rail, 10 A on 5 V and 3.3 V, and 2 A on 5 VSB. This single-input rating is the key figure that decides whether the adapter can power your chosen components.

Highlights

  • Eliminates 24 motherboard wires with direct ATX plug
  • Delivers 450W from a single 12V input source
  • Supplies +12V at 30A plus +5V and +3.3V rails
  • Includes overcurrent and short-circuit protection on all outputs
  • Provides CPU, GPU, SATA and DC5525 connectors for compact builds

Specifications

TypeAT

Questions about this item

How do I plug the 24-pin ATX connector into the board without bending pins?

Align the keyed 24-pin ATX plug straight onto the board header and press evenly until the latch clicks; the straight-plug design removes 24 loose wires but demands careful alignment to avoid bent contacts.

Which protection circuit is most likely to trip first and need a power-cycle reset?

Overcurrent protection on the +12 V rail at 30 A peak will shut off output before short-circuit protection engages; cycling the 12 V input restores operation.

What thermal limit caps continuous output in a sealed ITX case?

The board is rated to 55 °C ambient; sustained loads near 450 W in a confined space will hit that ceiling before any component rating is exceeded.

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