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Rectangular black painted ATX power supply unit with ventilated housing

myVolts

myVolts 1800W ATX Power Supply 100-240V 8 GPU Black

SKU CH-J9YT-QZ6HJ

1800W ATX power supply supports eight graphics cards with up to 90% conversion efficiency

  • TypeAT
  • Supports up to 12 graphics cards with dedicated 12V connectors
  • Up to 90% conversion rate reduces energy waste
  • Passive PFC operates across 100-240V input range
  • 1800W output delivers stable power for multi-GPU rigs
  • Black painted shell with bird's nest ventilation enhances cooling

1800W ATX power supply for multi-GPU builds

This 1800W ATX power supply delivers 1800 watts from a 100-240V input and is built to support 8 graphics cards. It provides 3x8-pin and 3x6-pin 12V connectors plus 9 D-type interfaces for GPU power. The unit uses passive PFC and achieves up to 90% conversion efficiency. A tall black painted shell with ventilation holes aids heat dissipation and moisture protection.

Build integration and connector layout

The supply fits a standard ATX mounting pattern and requires no active PFC circuitry, simplifying wiring in server or mining chassis. Its 12V rail distribution across six PCIe connectors and nine D-type ports frees up motherboard headers for other peripherals. Tinned copper wiring throughout resists deformation and maintains stable output under sustained load. The 2.0kg weight reflects a compact form factor that leaves room for additional cooling or drive cages.

Suited for high-density GPU deployments

This unit suits builders assembling 8-GPU mining rigs or compute servers that can operate within a passive-PFC design and the provided connector count. It is not for systems needing active power-factor correction, builders requiring more than six PCIe 12V leads, or anyone who must meet regulatory limits that demand active PFC. Buyers needing redundant or hot-swap power modules should look elsewhere.

Highlights

  • Supports up to 12 graphics cards with dedicated 12V connectors
  • Up to 90% conversion rate reduces energy waste
  • Passive PFC operates across 100-240V input range
  • 1800W output delivers stable power for multi-GPU rigs
  • Black painted shell with bird's nest ventilation enhances cooling

Specifications

TypeAT

Questions about this item

What limits the 1800W output when the unit runs continuously?

The 90 percent conversion rate means 10 percent of input power becomes heat, so sustained loads are bounded by the passive PFC design and the 2.0 kg chassis ability to shed that heat.

How loud and hot does the 1800W ATX supply get under all-day mining loads?

Bird's-nest ventilation holes provide airflow without a listed fan, while the black painted shell and moisture protection help manage temperature during extended 100-240V operation.

Which connectors must my build already provide for the eight graphics cards?

The unit supplies three 8-pin and three 6-pin 12 V leads — six total — so the remaining two cards need power from elsewhere in the system.

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