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Asus ROG-THOR-1200P3-GAMING ROG Thor 1200W Platinum III Power Supply - ATX 3.1 - 92% Efficiency - 4x PCIe - 7x SATA - 2x CPU Connectors

SKU: ROG-THOR-1200P3-GAMING
UPC: 197105610514
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MSRP: $585.95
$585.95
$521.95
Save: $64.00 (10.92%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 15.00 (cm)
Height: 19.00 (cm)
Depth: 8.60 (cm)
Availability: Canada: Moderate Availability
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Product Features

Description

Product Overview

The Asus ROG Thor 1200W Platinum III is a high-performance internal power supply engineered for demanding gaming rigs and professional workstations. Built to the latest ATX 3.1 and ATX12V standards, it delivers stable, efficient power with a 92% efficiency rating, minimizing energy waste and heat generation.

This unit features a single +12V rail design capable of 100A output, ensuring consistent power delivery to high-end GPUs and CPUs. With active Power Factor Correction (PFC), it optimizes power usage from AC sources, making it suitable for both 120V and 230V input environments. The robust protection suite safeguards components against over-voltage, under-voltage, short circuits, and thermal issues.

Relevant factors for this section include Specification Compliance, Efficiency, Power Factor Correction (PFC), MTBF. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Dimensions
Width
5.91" (150 mm)
Depth
3.39" (86 mm)
Height
7.48" (190 mm)
Weight
5.22 lb (2370 g)
Power Capacity & Efficiency
Maximum Power1200W
Efficiency Rating92%
Specification ComplianceATX 3.1, ATX12V
Connectors & Rails
PCI Express Connectors4 (6+2 pin)
CPU Power Connectors2 (4+4 pin)
SATA Power Connectors7
Reliability & Protection
Protection TypesOver Power, Over Voltage, Under Voltage, Short Circuit, Over Current, Over Temperature
MTBF120,000 Hours
Fan BearingDual Ball

Technical Overview

The ROG Thor 1200W Platinum III supports modern hardware with four PCI Express (6+2 pin) connectors for multi-GPU setups and two CPU (4+4 pin) connectors for high-core-count processors. It includes seven SATA power connectors for extensive storage arrays, plus legacy -12V and 5V standby outputs for system compatibility.

Cooling is handled by a single 135mm fan with a dual ball bearing design, offering quiet operation and extended lifespan. The power supply maintains detailed voltage regulation with outputs at 3.3V (30A), 5V (25A), 12V (100A), -12V (0.3A), and 5V SB (3A), ensuring precise power for all connected components.

Relevant factors for this section include Specification Compliance, Efficiency, Power Factor Correction (PFC), MTBF. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Input Voltage Range120V AC, 230V AC
+12V Rail Output100A
Fan Count1
ATX 3.1 CompliantActive PFCSingle +12V Rail

Key Product Advantages

This power supply combines high wattage with premium efficiency and connectivity, making it ideal for builders who prioritize reliability and future-proofing. The Platinum efficiency certification ensures reduced electricity costs and cooler operation under load, while the comprehensive protection mechanisms prevent damage to expensive hardware.

These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include High-Efficiency Design, Extensive Connectivity.

High-Efficiency Design

Achieves 92% efficiency, reducing power loss and heat output for more stable system performance and lower operating costs.

  • Platinum-grade components
  • Active PFC for optimized AC draw

Extensive Connectivity

Includes four PCIe and two CPU power connectors, supporting multi-GPU configurations and high-end processors without adapters.

  • 7 SATA connectors for storage
  • Legacy voltage support

Deployment / Use Cases

The Asus ROG Thor 1200W Platinum III is tailored for high-end gaming PCs, content creation workstations, and overclocking setups where power stability is critical. Its 1200W capacity handles multiple graphics cards, high-core-count CPUs, and numerous storage drives without strain.

In professional environments, this PSU supports rendering stations, simulation rigs, and server builds that require continuous, reliable power. The 120,000-hour MTBF and robust protections make it suitable for 24/7 operation in controlled conditions, while the standard ATX form factor ensures compatibility with most mid-tower and full-tower cases.

Gaming & Overclocking

Delivers clean power for overclocked CPUs and GPUs, ensuring stability during intense gaming sessions and benchmark tests.

Workstation & Server Use

Supports multi-drive storage arrays and high-TDP components in professional workstations or light server applications.

Physical Profile

This internal power supply features a standard ATX form factor with dimensions of 7.48" (190mm) height, 5.91" (150mm) width, and 3.39" (86mm) depth, fitting most modern PC cases. It weighs approximately 5.22 lb (2370g), reflecting its robust construction and high-quality components.

The design includes a rear-mounted AC inlet and a full set of modular or fixed cables (depending on variant) for clean cable management. The black finish and ROG branding align with gaming aesthetics, while the fan grill allows efficient airflow.

Dimensions
Width
5.91" (150 mm)
Depth
3.39" (86 mm)
Height
7.48" (190 mm)
Weight
5.22 lb (2370 g)
[custom-highlights]

Highlights

  • 1200W maximum power output for high-demand systems
  • 92% efficiency rating (Platinum level) for energy savings
  • ATX 3.1 and ATX12V compliance for modern hardware support
  • Active Power Factor Correction (PFC) optimizes AC input
  • Four PCI Express (6+2 pin) connectors for multi-GPU setups
  • Two CPU (4+4 pin) power connectors for high-end processors
  • Seven SATA power connectors for extensive storage
  • Comprehensive protections: over-power, over-voltage, short circuit, etc.
  • 120,000-hour MTBF for long-term reliability
  • Dual ball bearing fan for quiet and durable cooling
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerASUS Computer International
Manufacturer Part NumberROG-THOR-1200P3-GAMING
Brand NameAsus ROG
Product LineROG Thor
Product ModelROG Thor 1200W Platinum III
Product NameROG Thor 1200W Platinum III
Product TypePower Supply
Technical Information
Specification ComplianceATX 3.1,ATX12V
Efficiency92%
Power Factor Correction (PFC)Active
Number of Fans1
Fan Bearing TypeDual Ball Fan Bearing
Protection TypeOver Power,Over Voltage,Under Voltage,Short Circuit,Over Current,Over Temperature
Reliability
MTBF120000 Hour
Power Description
Input Voltage120 V AC,230 V AC
Number of +12V Rails1
Output Voltage3.3 V DC,5 V DC,12 V DC,-12 V DC,5 V SB
Output Voltage Detail3.3 V DC @ 30 A,5 V DC @ 25 A,12 V DC @ 100 A,-12 V DC @ 0.3 A,5 V SB @ 3 A
Interfaces/Ports
Number of SATA Power Connectors7
PCI Express ConnectorYes
Number of (6+2 pin) PCI Express Power Connectors4
Number of (4+4 pin) CPU Power Connectors2
Physical Characteristics
Form FactorInternal
Height7.48" (190 mm)
Width5.91" (150 mm)
Depth3.39" (86 mm)
Weight (Approximate)5.22 lb (2370 g)
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the efficiency rating of this power supply?

The Asus ROG Thor 1200W Platinum III achieves a 92% efficiency rating, which corresponds to 80 Plus Platinum certification. This high efficiency reduces power loss as heat, leading to cooler operation and lower electricity costs, especially under heavy loads common in gaming or workstation environments.

How many PCI Express power connectors does it have?

This power supply includes four PCI Express (6+2 pin) power connectors. This configuration supports multiple high-end graphics cards, such as in SLI or CrossFire setups, or single powerful GPUs that require multiple power inputs, making it suitable for advanced gaming and rendering builds.

Is this PSU compatible with ATX 3.1 standards?

Yes, the Asus ROG Thor 1200W Platinum III is fully compliant with ATX 3.1 and ATX12V specifications. This ensures compatibility with the latest motherboards and components, providing stable power delivery and meeting modern electrical requirements for high-performance systems.

What protection features are included?

It offers comprehensive protection against over-power, over-voltage, under-voltage, short circuit, over-current, and over-temperature conditions. These safeguards help prevent damage to connected components like CPUs, GPUs, and storage drives, enhancing system longevity and reliability during power fluctuations or faults.

What is the MTBF and what does it mean?

The Mean Time Between Failures (MTBF) is 120,000 hours. This rating indicates the expected operational lifespan under normal conditions, equivalent to over 13 years of continuous use. It reflects the power supply's durability and reliability, making it a solid choice for systems that run frequently or in demanding applications.

Can this power supply handle 230V input?

Yes, it supports both 120V and 230V AC input voltages. This wide range allows for use in different regions without modification, and the active Power Factor Correction (PFC) optimizes performance across these voltages, ensuring efficient and stable operation in various electrical environments.

[/custom-faq]
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Asus ROG-THOR-1200P3-GAMING ROG Thor 1200W Platinum III Power Supply - ATX 3.1 - 92% Efficiency - 4x PCIe - 7x SATA - 2x CPU Connectors
MSRP: $585.95
$585.95
$521.95
Save: $64.00 (10.92%)
Available & Ready to Ship