ASUS ROG Strix 1200W Platinum (Fully Modular Power Supply, 80 Plus Platinum Certified, ATX 3.1, GaN MOSFET, GPU-First Intelligent Voltage Stabilizer, 10-Year Warranty)
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A 1200-watt, 80 Plus Platinum, ATX 3.1 fully modular power supply with GaN MOSFETs and GPU-First voltage sensing for high-performance PC builds demanding unwavering stability.
This 1200-watt, 80 Plus Platinum, ATX 3.1 power supply with GaN MOSFETs and GPU-First voltage sensing is engineered for demanding, high-performance systems. It provides stable and efficient power delivery for top-tier GPUs and CPUs, ensuring system stability under heavy loads. Its features are directly aligned with the needs of enthusiast-grade PC builds.
If 1200W is overkill for your current setup, consider a lower wattage 80 Plus Platinum or Gold rated ATX 3.1 PSU to save on initial cost.
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Pros
- 1200 watts output handles high-end GPUs and CPUs with ease.
- 80 Plus Platinum efficiency reduces energy waste and heat.
- ATX 3.1 compliance ensures enhanced voltage and current regulation for modern hardware.
- GaN MOSFET delivers up to 30% superior power efficiency and contributes to cooler internal operation.
- "GPU-First" voltage sensing enhances voltage delivery by up to 45% to graphics cards for smoother performance.
- Native 12V-2x6 connector supports next-gen graphics cards without needing adapters.
- 10-year warranty provides significant long-term assurance.
- 0dB technology allows for silent operation during light loads.
Cons
- Cables can be stiff, complicating cable management within a case.
- Fan noise can be louder than expected under heavy load, despite 0dB mode.
- Reported instances of coil whine by some users.
- Physical weight of 3.63 kg makes it less suitable for compact or portable builds.
Dimension Scores
Delivers 1200 watts with 80 Plus Platinum certification and GaN MOSFETs for up to 30% superior power efficiency.
Features 0dB technology for light loads and large ROG heatsinks, but some users report fan noise under heavy load.
Includes premium Japanese capacitors, dual ball fan bearings, and a 10-year warranty, indicating robust construction.
Fully modular design allows for cleaner builds, but some users find the cables stiff and challenging to route.
Best For
- Hardcore gamers with high-end rigs, especially those with RTX 4090 or future GPUs.
- Enthusiast overclockers pushing hardware to its performance limits.
- Content creators running multiple GPUs for rendering or intensive workloads.
- Users prioritizing long-term system stability and efficiency for a decade-long build.
Not Recommended For
- Budget PC builds where 1200W and Platinum efficiency are overkill.
- Small form factor (SFF) cases due to its substantial weight and ATX form factor.
- Basic office or media consumption PCs that do not require high wattage or advanced power features.
Watch Out For
- One user reported "occasional electrical noise (coil whine)" that was "very annoying."
- The cables can be "a bit stiff," making them challenging to bend and route for clean cable management.
- Despite 0dB technology, the fan "can be louder than expected, especially under heavy load."
- The unit weighs 3.63 kg, which might be a concern for builders prioritizing lightweight components or compact systems.
Full Specifications
| ASIN | B0DJ1SW3S1 |
| Brand | ASUS |
| Color | BLACK |
| Series | ROG-STRIX-1200P-GAMING |
| Wattage | 1200 watts |
| Model Name | ROG-STRIX-1200P-GAMING |
| Form Factor | ATX |
| Item Weight | 7.45 pounds |
| Manufacturer | ASUS |
| Connector Type | PCI Express, SATA |
| Cooling Method | Air |
| Output Wattage | 1200 Watts |
| Item model number | ROG-STRIX-1200P-GAMING |
| Compatible Devices | Personal computer |
| Product Dimensions | 6.3 x 5.9 x 3.4 inches |
| Item Dimensions LxWxH | 6.3 x 5.9 x 3.4 inches |
| Item dimensions L x W x H | 6.3 x 5.9 x 3.4 inches |
What Buyers Say
While marketed for its advanced GaN MOSFET and "GPU-First" voltage stabilization, some users have pointed out that the real-world performance gains from these technologies might not be as dramatic as the marketing suggests. The unit's substantial weight of 3.63 kg is also a recurring observation, making it a less ideal choice for compact PC builds. Despite the 0dB fan mode for quiet operation at low loads, several users noted that the fan can become noticeably loud when the system is under significant stress.
“Dude, this thing powers my 4090 like a champ, no weird reboots or anything, but man, those cables are a pain to bend, and sometimes the fan kicks in louder than I thought it would for a 'silent' PSU.”
Common Praise
- Provides stable power delivery even with high-power components like RTX 4090s.
- The fully modular design simplifies cable routing and improves airflow.
- The 10-year warranty offers significant long-term assurance.
- Native 12V-2x6 connector eliminates the need for adapters with modern GPUs.
- Build quality feels robust and premium upon unboxing.
Common Complaints
- Cables are stiff, making them challenging to bend and manage within a case.
- Fan noise can be audible and louder than expected under heavy system loads.
- Instances of coil whine have been reported by some users.
- The unit's heavy weight (3.63 kg) can be a drawback for certain builds.
Ownership Tips
- The "GPU-First" stabilizer seems to prevent the random GPU crashes some users experienced with older PSUs under transient loads.
- The 0dB fan mode works effectively for everyday tasks like browsing or light gaming, keeping the system truly silent.
- The physical size and weight of the unit require careful planning for case compatibility, especially in smaller mid-towers.
- The native 12V-2x6 cable is a huge convenience, avoiding bulky adapters.
Frequently Asked Questions
Is this PSU compatible with ATX 3.0?
Yes, it is ATX 3.1 compliant, which is backward compatible with ATX 3.0 and older standards, ensuring enhanced voltage and current regulation.
Does it have the new 12VHPWR connector?
Yes, it features a native 12V-2x6 connector, which is PCIe 5.1 ready and designed for next-gen graphics cards, eliminating the need for adapters.
Is this power supply quiet?
It uses 0dB technology for silent operation during light loads, but some users report the fan can be louder than expected under heavy system stress.
What is GaN MOSFET technology?
GaN MOSFET (Gallium Nitride Metal-Oxide-Semiconductor Field-Effect Transistor) delivers superior power efficiency by up to 30% and allows for a more organized internal layout, contributing to cooler operation.
What does "GPU-First Intelligent Voltage Stabilizer" mean?
This patented technology enhances voltage delivery by up to 45% specifically to your graphics card, aiming for smoother gameplay and unwavering performance by preventing GPU crashes from transient power spikes.
Buying Guide
When picking a power supply, you're essentially choosing the heart of your PC. You need enough wattage to feed all your components, especially your graphics card, without stressing the unit. Efficiency ratings like 80 Plus Platinum tell you how much power is wasted as heat, which affects your electricity bill and how hot your case gets. Modular cabling means you only plug in the cables you need, making your build much cleaner and improving airflow.
Wattage
Think of wattage like the horsepower of a car; it's the total power your PSU can deliver. If your PC components (especially the CPU and GPU) demand more power than your PSU can supply, your system will crash or simply won't turn on.
80 Plus Certification
This rating (like Bronze, Gold, Platinum) indicates how efficiently the PSU converts AC power from your wall outlet into DC power for your PC. A Platinum rating means less energy is lost as heat, saving you a bit on your electricity bill over time and keeping your system cooler.
Modular
A fully modular PSU means every single cable detaches. This is a huge win for cable management, as you only connect the cables your build requires, reducing clutter and improving airflow inside your case, making it look much tidier.
ATX 3.1
This is the latest standard for power supplies, designed to handle the sudden, high power spikes of modern graphics cards. It ensures better stability and compatibility with current and future high-end GPUs, preventing unexpected system shutdowns.
Alternatives
If you don't need 1200 watts or the absolute highest efficiency, look for an ATX 3.0 or 3.1 compliant PSU with 80 Plus Gold certification and a wattage closer to your actual system's peak power draw.
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