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White ATX 850W power supply with 135mm striped axial fan and full modular cables

ASRock

ASRock SL-850GW 850W ATX3.1 power supply

SKU CH-QGA7-T5N0A MPN SL-850GW

An 850 W ATX3.1 and PCIe5.1 power supply with full modular cables, a native 12V-2x6 connector, 80 PLUS Gold and Cybenetics Platinum efficiency.

  • ColorWhite
  • TypeATX3.1 & PCIe5.1
  • Maximum Power850 W
  • Fans135mm Striped Axial FDB Fan
  • ModularFull Modular
  • Energy-Efficient80 PLUS GOLD Certified

Options 850W (White)

  • 80 PLUS Gold efficiency cuts electricity waste
  • Cybenetics Lambda A+ keeps noise under 20 dB
  • ATX 3.1 and PCIe 5.1 ready for modern GPUs
  • Fully modular cables simplify build and airflow
  • 135 mm FDB fan with iCool zero-RPM mode

850 W ATX 3.1 & PCIe 5.1 power supply

This unit delivers 850 watts through an ATX 3.1 and PCIe 5.1 platform with full modular cabling. It carries 80 PLUS Gold and Cybenetics Platinum efficiency ratings plus a Lambda A+ noise certification. A native 12V-2x6 connector is included for modern graphics cards. White finish and green accent connectors aid build identification.

Who this suits and who should look elsewhere

Builders assembling a white-themed system that needs a quiet, efficient 850 W unit with modern PCIe 5.1 connectivity will match this supply well. The Cybenetics Lambda A+ rating confirms low acoustic output for noise-sensitive environments. Systems requiring more than 850 W or a different form factor should consider other models. The semi-passive iCool mode benefits typical desktop loads but can be disabled for constant airflow.

ATX 3.1 & PCIe 5.1 ready with native 12V-2x6

The defining specification is the ATX 3.1 and PCIe 5.1 compliance paired with a native 12V-2x6 cable. This ensures direct, adapter-free power to current-generation graphics cards while meeting the latest transient-response requirements. Efficiency certifications and the 135 mm FDB fan support stable delivery at the rated 850 W.

Highlights

  • 80 PLUS Gold efficiency cuts electricity waste
  • Cybenetics Lambda A+ keeps noise under 20 dB
  • ATX 3.1 and PCIe 5.1 ready for modern GPUs
  • Fully modular cables simplify build and airflow
  • 135 mm FDB fan with iCool zero-RPM mode

Specifications

BrandASRock
ModelSL-850W
ColorWhite
TypeATX3.1 & PCIe5.1
Maximum Power850 W
Fans135mm Striped Axial FDB Fan
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics A+
Shipping weight3.63 kg
Package size330 × 229 × 178 mm

Other versions of this model

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Questions about this item

Will the native 12V-2x6 connector support my new PCIe 5.1 graphics card without an adapter?

Yes, the unit includes a native 12V-2x6 cable designed for ATX 3.1 and PCIe 5.1 graphics cards, removing the need for any adapter.

Does the semi-passive fan mode stay quiet during typical desktop workloads?

With iCool mode enabled the 135 mm FDB fan remains off at low to medium loads, and Cybenetics Lambda A+ certification confirms average noise below 20 dB.

Can I use only the cables my build requires to keep the case tidy?

The fully modular design lets you attach just the connectors you need, and the white finish with green accents helps verify each plug is seated correctly.

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