ASUS ROG Thor 1200W Platinum III
ASUS ROG Thor 1200W Platinum III
The ASUS ROG Thor 1200W Platinum III PC power supply powers high-performance gaming and workstation builds that require a stable and efficient energy supply. It uses GaN MOSFET transistors, which, compared to traditional silicon transistors, operate with higher efficiency and produce less waste heat. Full compliance with the ATX 3.1 standard and the presence of a 12V-2x6 connector prepare the build for a long service life. The fully modular cable system simplifies installation and contributes to a clean internal layout, optimising airflow.
1200W
Power
ATX
Format
80 PLUS Platinum
Certification
Fully
Modularity
Key technologies of the ASUS ROG Thor 1200W Platinum III PC power supply
- GaN MOSFET transistors contribute to higher efficiency and better thermal properties
- Intelligent voltage stabiliser increases stability by up to 45%
- Detachable OLED display shows real-time power consumption
- Cybenetics Lambda A++ certification confirms operation with noise levels below 15 dB
- Fan uses a 0 dB mode, stopping completely under light loads
- Turbo button activates maximum fan speed for intensive cooling
- Fully modular cable system simplifies installation and optimises airflow
- 12V-2x6 connector powers graphics cards with up to 600W
Choosing a power supply
When choosing a suitable PC power supply, the key parameter, besides the format, is its power output. This indicates the maximum number of Watts the power supply can continuously deliver to the components in the computer. It is a good idea to use a web calculator to calculate the optimal power output based on your chosen components.
Stable 1200W power
A total power output of 1200W provides energy even for more demanding builds with multi-core processors and powerful graphics cards. A single, strong +12V rail, capable of delivering up to 100A, effortlessly powers components that are susceptible to short-term power spikes. The power supply provides sufficient headroom for overclocking components, without experiencing voltage drops or system instability under maximum load. The voltage stabiliser actively responds to load changes and maintains the output voltage within a very narrow tolerance band. The GPU-First voltage sensing technology, primarily on the graphics card side, increases the stability of the supplied voltage by up to 45%.
ATX 3.1 standard and GaN MOSFET technology
Full compatibility with the ATX 3.1 standard brings stricter voltage and current regulation for next-generation hardware. Gallium nitride transistors operate with higher efficiency and lower thermal losses than standard silicon variants. Their compact dimensions free up internal space in the power supply, which allows for larger passive heatsinks. This arrangement improves airflow inside the power supply and helps maintain low operating temperatures even under high load.
80 PLUS Platinum efficiency and Cybenetics certification
The 80 PLUS Platinum certification confirms an electrical energy conversion efficiency of up to 92% at 50% load. This means less energy is converted into waste heat. By using low-ESR Japanese capacitors, the power supply converts more energy from the mains into usable power, resulting in lower consumption and quieter operation. In addition to 80 PLUS efficiency, the power supply also meets the strict standards of the Cybenetics testing laboratory. It has earned a Platinum rating for efficiency and the prestigious Lambda A++ certification for extremely low noise levels. This rating confirms an average operation with noise levels below 15 dB.
Fan with 0 dB technology and Turbo mode
Cooling is handled by a fan with dual ball bearings, which have a lifespan of up to 80000 hours. When the power supply load is below 30%, the 0 dB technology completely turns off the fan, and the power supply operates in a passive, completely silent mode. This function can be deactivated if needed via a switch on the back of the power supply, where you will also find the Turbo Mode button. Pressing it bypasses the standard speed curve and immediately activates the maximum fan speed. This mode provides the highest possible cooling performance. The manufacturer has fitted critical internal components with massive ROG Heatsinks. These passive heatsinks effectively dissipate heat even without active airflow.
Comprehensive protection and cabling
The fully modular design means you only connect the cables you actually need for your build. This solution significantly simplifies the building and cable management process. The included cables have high-quality sleeving. An integrated set of protection systems includes over-voltage, under-voltage, over-current, overload, short-circuit, and over-temperature protection. This comprehensive suite of protections prevents damage to connected components in the event of electrical grid anomalies or hardware failure. The package includes a 16-pin PCIe 5.1 (12V-2x6) standard cable for powering the most powerful graphics cards.
Lighting with Aura Sync support
On the side of the power supply is a detachable OLED display that shows the entire build's current power draw in real time. Its magnetic attachment allows it to be placed on either side of the power supply to suit the orientation in the PC case, whether the fan is at the top or bottom. This flexibility ensures you can keep an eye on consumption. The power supply includes addressable RGB elements that you can synchronise with other compatible components via Aura Sync software. It also offers a Smart Mode function, which changes the backlight colour according to the graphics card's temperature, making the lighting serve as a visual indicator of the current load and temperature of this key component.
Connectors
- 1× ATX 24-pin
- 2× CPU 8-pin (4+4)
- 1× 12V-2x6 16-pin
- 4× PCIe 8-pin (6+2)
- 7× SATA 15-pin
- 6× Molex 4-pin
Package contents
- Power cable
- Motherboard power cable
- 2× CPU 8-pin
- 1× PCIe 16-pin
- 4× PCIe 8-pin
- 1× SATA 15-pin (1-to-4)
- 1× SATA 1-to-3
- 2× Molex 4-pin
- 1× Addressable RGB
- 1× ROG sticker
- 6× ROG cable tie
- 1× Screw set
- 12× Cable tie
80 Plus certification in the European market
The 80 Plus certification was created to objectively assess the efficiency of computer power supplies. This gives users a simple and clear way to compare different models. In the European market (where 230V is used), there are six levels of 80 Plus certification with set requirements for computer power supplies. Higher energy efficiency primarily means lower energy consumption.
| PC power supply load | Efficiency at 20% load | Efficiency at 50% load | Efficiency at 100% load |
|---|---|---|---|
| 80 PLUS | 82% | 85% | 82% |
| 80 PLUS Bronze | 85% | 88% | 85% |
| 80 PLUS Silver | 87% | 90% | 87% |
| 80 PLUS Gold | 90% | 92% | 89% |
| 80 PLUS Platinum | 92% | 94% | 90% |
| 80 PLUS Titanium | 94% | 96% | 94% |
Specifications
Performance and format
Equipment
Efficiency
Connectors
Dimensions
| Code: | ACrtt3a4 |
| Warranty: | 120 months |
| Links: | Producer's Website: |
| Manufacturer information |
ASUSTek COMPUTER INC. 1F.,No.15, Lide Rd., Beitou Dist., Taipei City 112 Tel: +886-2-2894-3447 Tel: +886-2-2890-7798 https://gr.asus.com/ProductSafety ASUS COMPUTER GmbH Harkortstrasse 21-23 40880 Ratingen Germany, Europe Email: [email protected] ASUS COMPUTER GmbH, Harkortstrasse 21-23, 40880 Ratingen, Germany, Europe, [email protected] ASUS is a symbol of the growth of Taiwan's economy. The firm's beginnings date back to April 2, 1989, when as a small manufacturer of motherboards began his work with a few employees. Today, Asus employs more than 12,500 employees worldwide. ASUS products can be found in almost every category of the information technology marketplace. ASUS is focused on desktops, laptops, phones, optical drives and components. In the manufacture of motherboards, the company is now the dominant player with a staggering 40% market share. 
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