ASUS ROG STRIX 1200W PLATINUM
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ASUS ROG STRIX 1200W PLATINUM
The ASUS ROG STRIX 1200W PLATINUM computer power supply powers the most demanding gaming rigs and workstations. It uses modern GaN MOSFETs and massive ROG heatsinks for high energy efficiency and stable power delivery to components. The PSU is fully compliant with the ATX 3.1 standard and natively supports a 12V-2x6 connector. The GPU-FIRST technology with its intelligent stabiliser focuses on delivering consistent power to the graphics card. A fully modular design with etched cables simplifies installation and contributes to optimal airflow in the case.
1200W
Power
ATX
Format
80 PLUS Platinum
Certification
Fully
Modularity
Key technologies of the ASUS ROG STRIX 1200W PLATINUM computer power supply
- GaN MOSFETs increase energy efficiency and reduce heat production
- GPU-FIRST technology stabilises the graphics card's power supply
- Massive ROG heatsinks maintain low operating temperatures even under heavy load
- Cybenetics Lambda A certification confirms noise levels below 25 dB
- Fully detachable etched cables simplify installation and routing in the case
- Native 12V-2x6 connector powers PCIe 5.1 standard graphics cards
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 PSU can continuously supply to the computer's components. It is advisable to use a web calculator to determine the optimal power output based on your chosen components.
High and stable performance and the ATX 3.1 standard
The PSU delivers a total power output of 1200W, covering the energy demands of builds with multiple graphics cards, overclocked processors, and extensive accessories. Stable voltage rails are fundamental for reliable operation even under extreme loads, ensuring the system receives a consistent power supply without fluctuations that could affect performance or stability. Full support for the ATX 3.1 standard is crucial for stability, as it defines stricter requirements for handling the short-term power spikes typical of newer graphics cards and hardware.
80 PLUS Platinum efficiency and native 12V-2x6 connector
The 80 PLUS Platinum certification confirms high energy efficiency, exceeding 92% at 50% load and reaching 89% at full load. The integration of a native 12V-2x6 connector, compatible with PCIe 5.1, eliminates the need for adaptors when connecting high-performance graphics cards. This connector is designed to transfer high power, while the direct connection reduces electrical resistance and simplifies cable management inside the case.
GaN MOSFETs and GPU-FIRST technology
The smaller size of the gallium nitride (GaN) transistors frees up internal space for more efficient layout and better airflow. The result is higher efficiency and less waste heat, as GaN MOSFETs have lower electrical resistance and faster switching. The stabiliser with GPU-FIRST technology actively monitors and adjusts the voltage supplied to the graphics card. A more stable power supply to the graphics card contributes to its higher performance, as the mechanism responds to rapid changes in power draw and maintains voltage levels within very tight tolerances.
Fan and ROG heatsink
A fan equipped with dual ball bearings provides active cooling. The fan's design is optimised for quiet operation and a longer service life. The PSU's internal layout includes large passive ROG heatsinks, which effectively dissipate heat from key components such as transistors and rectifiers. Their large surface area ensures efficient heat transfer even at low fan speeds and helps to extend the lifespan of the internal components. This design supports quiet operation even under higher loads.
Zero RPM mode for silent operation
At low to medium loads, the PSU fan stops completely thanks to the Zero RPM mode, which can be controlled with a dedicated button. During normal work tasks or light use, the PSU produces no noise, as the passive cooling mode remains active until the temperature of the internal components exceeds a set limit. Independent Cybenetics Lambda A certification confirms that the PSU's average noise level is below the 25 dB threshold. This low level of operating noise is the result of a combination of efficient cooling, a quiet fan, and the passive mode.
Cabling
The package includes etched cables, which are more flexible and less bulky than traditional braided cables. Etched cables also help to dissipate heat better from the surface and their design makes them easier to bend and route in the tight spaces of a computer case. The fully modular design means that all cables, including the main power harness for the motherboard, can be disconnected from the PSU. This approach significantly simplifies the build process.
Comprehensive protection mechanisms
The PSU integrates a set of six key protections to safeguard connected components, including overvoltage, undervoltage, and overcurrent protection. These mechanisms continuously monitor electrical parameters and, in the event of an anomaly, immediately cut the power to prevent hardware damage. In addition to electrical protections, there is also over-temperature protection. This prevents damage to internal components from excessive heat, as a thermal sensor monitors the PSU's internal temperature and automatically shuts off the power if it exceeds a safe operating value.
Connectors
- 1× ATX 24-pin
- 2× CPU 8-pin (4+4)
- 3× Molex 4-pin
- 4× PCIe 8-pin (6+2)
- 6× SATA 15-pin
- 1× 12V-2x6 16-pin
Package contents
- PC power supply
- Power cable
- Motherboard power cable
- 1× ATX 24-pin
- 2× CPU 8-pin (4+4)
- 1× PCIe 5.1 16-pin
- 4× PCIe 8-pin (6+2)
- 2× SATA 15-pin
- 1× Molex 4-pin
- 1× ROG Strix DIY sticker
80 Plus certification in the European market
The 80 Plus certification was created to objectively evaluate the efficiency of PC power supplies. It gives users a simple and clear way to compare different models. On the European market (where a voltage of 230V is used), there are six levels of 80 Plus certification with set requirements for PC power supplies. Higher energy efficiency primarily means lower energy consumption.
| PSU 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: | ACzs1200p |
| Warranty: | 12 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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