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Compact green ATX adapter board with short cables and 24-pin connector

myVolts

myVolts Crisist LD-A250WL 250W AT power supply

SKU CH-RQNQ-6X13B MPN LD-A250WL

A 250W AT power supply with direct ATX connector, SATA, IDE and DC5525 outputs, plus over-current and short-circuit protection

  • Product typeAT
  • Space-saving build with direct ATX connector eliminating 24 wires
  • Reliable operation from high heat-resistant adapter plate
  • System safeguarded by over-current shutdown on all rails
  • Protected against short circuits on every output voltage
  • 250W delivered through ATX24Pin, CPU4+4Pin, SATA, IDE and DC5525

250W AT power supply for small ATX boards

This myVolts Crisist LD-A250WL unit delivers 250W from a 12V input through a direct ATX 24-pin connector that plugs straight onto the motherboard. It targets builders working with compact ATX boards who want to remove the standard 24-wire harness and save space inside the case. The board also provides a CPU 4+4-pin, one SATA, one IDE and a DC 5525 output.

12V input and fixed cable lengths set the install

The adapter requires a 12V DC source and runs its internal oscillator between 250 and 350 kHz with a 0.8V feedback reference. Output rails are rated at +12V/16A, +5V/6A, +3.3V/6A, +5VSB/2A and -12V/0.05A, with over-current and short-circuit protection on the main rails. Cables are fixed at 320 mm for DC, 210 mm for CPU, 200 mm for IDE and 150 mm for SATA, so component placement must stay within those reaches.

Replaces a standard ATX PSU when space is tight

The board swaps out a full-size ATX power supply in builds that fit a small ATX motherboard and draw no more than 250W total. It is not for systems that need higher wattage, additional PCIe power connectors, modular cabling or an AC mains input. Builders who need more power, more connectors or a traditional PSU form factor should look elsewhere.

How it compares

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

Price $40.99
Cheaper than about 92% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Which 250W AT power supply version should I choose for a small ATX board?

The LD-A250WL integrates the ATX24-pin connector directly on the board, removing 24 separate wires and saving space inside compact cases.

What does the 250W rating mean once the adapter is installed in a desktop?

It delivers up to 16A on the +12V rail, 6A on +5V and +3.3V each, 2A on +5VSB and 0.05A on -12V, with over-current and short-circuit shutdown on all rails.

What interfaces does the LD-A250WL provide and what do they cap in practice?

One ATX24-pin, one CPU 4+4-pin, one SATA, one IDE and one DC5525 jack; cable lengths are 320mm DC, 210mm CPU, 200mm IDE and 150mm SATA.

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