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Open-box 1000W ATX 3.0 power supply unit in black enclosure

Compucase

Compucase CS-1000M-A 1000W ATX 3.0 power supply

SKU CH-J5X9-CYQTF MPN CS-1000M-A

An open-box 1000W ATX 3.0 power supply ready for high-output builds

  • ATX 3.0 ready for modern GPU power delivery
  • 1000 W output handles high-end system loads
  • Open-box unit offers full performance at reduced cost
  • Compact ATX form factor fits standard chassis builds

1000W ATX 3.0 power supply

This 1000 watt ATX 3.0 unit delivers stable power for modern desktop builds. It meets the current ATX 3.0 specification for compatibility with newer components. The open-box condition means the item was previously opened but remains unused.

Ideal for high-performance PCs needing 1000 watts

Builders who need a different wattage rating or a different form factor should consider other models. Users requiring specific modular cable configurations not listed here may need to verify suitability.

Highlights

  • ATX 3.0 ready for modern GPU power delivery
  • 1000 W output handles high-end system loads
  • Open-box unit offers full performance at reduced cost
  • Compact ATX form factor fits standard chassis builds

Specifications

No published specifications for this item yet.

Questions about this item

Will the ATX 3.0 connector on this CS-1000M-A work with my older motherboard that uses a 24-pin ATX plug?

The unit follows the ATX 3.0 specification, which keeps the standard 24-pin motherboard connector pinout, so it fits older boards directly.

How can I confirm the CS-1000M-A is delivering stable power after installation?

Check the motherboard BIOS or a hardware-monitoring utility for steady voltage readings on the main rails while the system is under load.

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