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Green PCB adapter board with ATX 24-pin CPU 4+4-pin SATA IDE and DC5525 connectors and attached cables

myVolts

myVolts LD-A250WL 12V 250W AT power supply

SKU CH-8XTC-GZGQ8 MPN LD-A250WL

AT power adapter board delivering 250 W from a 12 V source with 24-pin ATX, CPU 4+4-pin, SATA, IDE and DC5525 outputs plus over-current and short-circuit protection

  • TypeAT
  • Compact ATX power for small cases via direct 24-pin board mount
  • 250 W total output from a single 12 V input rail
  • Over-current and short-circuit protection on all main rails
  • Five connectors including SATA, IDE and CPU 4+4-pin for versatile builds
  • Operates from -5 °C to 55 °C for embedded and industrial use

Compact AT Power Board for Low-Power Builds

The myVolts LD-A250WL is a 250W AT-type adapter board that converts a 12V DC input into standard ATX rails for mini PCs, HTPCs, POS terminals and ITX cases. It plugs directly into the motherboard 24-pin connector, removing 24 loose wires to save space inside small enclosures.

12V 16A on the Main Rail with Full Protection

The board delivers +12V at 16A, +5V at 6A, +3.3V at 6A, +5VSB at 2A and -12V at 0.05A, covering typical low-power CPUs and a few drives. Over-current and short-circuit protection shut the output off when limits are reached, and operation is rated from -5°C to 55°C.

Replaces Bulky ATX PSUs in Space-Constrained Systems

This module replaces a full-size ATX power supply when the build draws well under 250W and a 12V DC source is already available. The jump is worth it for integrators who need a 12.6in DC lead, 8.3in CPU lead and short SATA or IDE cables, but not for systems that require higher 12V current or AC input.

Highlights

  • Compact ATX power for small cases via direct 24-pin board mount
  • 250 W total output from a single 12 V input rail
  • Over-current and short-circuit protection on all main rails
  • Five connectors including SATA, IDE and CPU 4+4-pin for versatile builds
  • Operates from -5 °C to 55 °C for embedded and industrial use

Specifications

TypeAT

Questions about this item

Will the LD-A250WL power an older AT motherboard using its ATX24Pin connector?

Yes, the board is an AT-type supply with a 24-pin ATX connector that plugs directly into the motherboard, eliminating 24 separate wires and saving space in small cases.

How can I confirm the LD-A250WL is delivering the correct voltages after installation?

Measure the rails against the rated outputs: +12V at 16A, +5V at 6A, +3.3V at 6A, +5VSB at 2A and -12V at 0.05A; the feedback reference sits at 0.8V ±2% at 12VDC input.

Which cables come with the LD-A250WL and what must I source separately?

Included are a 320mm DC5525 lead, 210mm CPU 4+4-pin, 200mm IDE and 150mm SATA cables; an external 12V source and any additional drive or peripheral cables are not supplied.

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