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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

  • Product 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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $38.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product 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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