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Black fully modular ATX power supply with 135mm striped axial fan

ASRock

ASRock SL-1200G 1200W power supply

SKU CH-12RC-3W65X MPN SL-1200G

A fully modular 1200 W power supply with 80 PLUS Gold and Cybenetics Platinum certification, ATX 3.1 and PCIe 5.1 readiness, a native 12V-2x6 connector.

  • ColorBlack
  • Maximum Power1200 W
  • Energy-Efficient80 PLUS GOLD Certified

Options 1200W

  • 80 PLUS Gold certification delivers efficient power conversion
  • Cybenetics Platinum and Lambda A ratings confirm high efficiency and low noise
  • ATX 3.1 and PCIe 5.1 readiness supports modern hardware
  • Fully modular cables simplify installation and improve airflow
  • 135 mm FDB fan with iCool control balances cooling and quiet operation

1200W Gold Modular Power Supply

The ASRock SL-1200G delivers up to 1200 W of continuous power with 80 PLUS GOLD certification. Its fully modular cable design keeps the build tidy by letting you connect only the leads you need. A native 12V-2x6 connector supports modern graphics cards without adapters. The unit meets ATX3.1 and PCIe5.1 electrical specifications for current platforms.

Sustained-load efficiency and thermal control

Cybenetics PLATINUM and LAMBDA A certifications confirm high efficiency and low noise under prolonged heavy loads. One hundred percent Japanese capacitors maintain stable voltage regulation during extended operation. The 135mm striped axial FDB fan runs under iCool intelligent control, adjusting speed to actual thermal demand rather than ramping aggressively. This combination keeps temperatures and acoustics in check during long rendering or compute sessions.

Compatibility checks before ordering

Verify that your case can accommodate the physical length of a 1200 W fully modular unit. Confirm your motherboard and graphics card require the 12V-2x6 connector and ATX3.1 power delivery. Ensure the power distribution board or cables you plan to use match the fully modular pinout. Check that available airflow in the chassis aligns with the fan orientation for effective exhaust.

Highlights

  • 80 PLUS Gold certification delivers efficient power conversion
  • Cybenetics Platinum and Lambda A ratings confirm high efficiency and low noise
  • ATX 3.1 and PCIe 5.1 readiness supports modern hardware
  • Fully modular cables simplify installation and improve airflow
  • 135 mm FDB fan with iCool control balances cooling and quiet operation

Specifications

BrandASRock
Part NumberSL-1200G
ColorBlack
Maximum Power1200 W
Energy-Efficient80 PLUS GOLD Certified
Shipping weight3.63 kg
Package size305 × 191 × 127 mm

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Questions about this item

Does the power supply include a native 12V-2x6 connector for modern graphics cards?

Yes, it ships with a native 12V-2x6 connector in a dual-colour design, ready for PCIe 5.1 graphics cards.

Is the unit fully modular so I only install the cables my build needs?

The design is fully modular, letting you connect only the cables required for your specific components.

What cooling and noise behaviour should I expect under load?

A 135 mm striped axial FDB fan runs under iCool intelligent control, adjusting speed to temperature for quieter operation.

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