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Black rectangular ATX power supply with magnetic OLED display on side

ASUS

ASUS ROG-THOR-1200P3-GAMING 1200W Platinum III power supply

SKU CH-HNFA-W7M35 MPN ROG-THOR-1200P3-GAMING

A 1200 W ATX 3.1 power supply with 80 PLUS Platinum efficiency, GaN MOSFETs, a magnetic OLED display and GPU-First voltage stabilization

  • ColorBlack
  • Maximum Power1200 W
  • Energy-Efficient80 PLUS PLATINUM Certified
  • GaN MOSFETs boost efficiency by up to 30% for cooler operation
  • GPU-First sensing improves voltage delivery by up to 45% for stable gaming
  • Magnetic OLED shows real-time power draw and swaps sides for any install
  • Turbo Mode enables extended power excursions with premium components
  • ATX 3.1 compliance ensures enhanced voltage and current regulation

High-wattage PSU for demanding builds

The ASUS ROG Thor 1200W Platinum III is a 1200 W ATX 3.1 power supply built for systems that draw heavy, sustained loads. It targets enthusiasts who need headroom for high-end graphics cards and multi-core processors. Buyers who want more storage or additional expansion cards should verify their own platform limits, as this unit only supplies power.

1200 W capacity with Platinum efficiency

At 1200 W the unit comfortably handles modern flagship GPUs and overclocked CPUs together. The 80 PLUS PLATINUM Certified rating means up to 30% more power efficiency than standard designs, reducing waste heat. GaN MOSFETs contribute to a more organized internal layout. Where it runs out is any configuration that exceeds the 1200 W maximum power rating.

Thermals, noise and power draw in normal use

ROG heatsinks and a fully aluminum enclosure synergize for superior cooling, keeping system thermals under control. Dual-ball-fan bearings can last up to twice as long as sleeve bearing designs, supporting quieter long-term operation. Turbo Mode uses a fine-tuned fan curve to unlock support for extended power excursions. The magnetic OLED display shows real-time power draw and can be swapped to either side for fan-up or fan-down installation.

Highlights

  • GaN MOSFETs boost efficiency by up to 30% for cooler operation
  • GPU-First sensing improves voltage delivery by up to 45% for stable gaming
  • Magnetic OLED shows real-time power draw and swaps sides for any install
  • Turbo Mode enables extended power excursions with premium components
  • ATX 3.1 compliance ensures enhanced voltage and current regulation

Specifications

BrandASUS
Part Number90YE00V2-B0AA00
ColorBlack
Maximum Power1200 W
Energy-Efficient80 PLUS PLATINUM Certified
Shipping weight4.99 kg
Package size381 × 241 × 127 mm

Questions about this item

Will this 1200 W Platinum unit work with my older ATX 2.x motherboard and GPU?

Yes, the ATX 3.1 design is backward compatible with ATX 2.x boards and graphics cards, so you can keep your current platform and upgrade the PSU now.

How do I confirm the PSU is delivering stable power once installed?

The magnetic OLED display shows real-time power draw; watch it under load to verify the GPU-First voltage stabilizer is keeping rails steady.

Which cables come in the box and what must I buy separately?

Etched modular cables for motherboard, CPU, GPU and drives are included; no extra cables are required for a standard build.

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