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MONTECH Century II - 1200W High-End ATX Gaming Power Supply - 80 Plus Gold & Cybenetics Platinum - Fully Modular - ATX 3.1 & PCIe 5.1 Ready with 12V-2x6 Cable - 10 Years Warranty
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AI Verdict
This is a 1200W, fully modular ATX 3.1 and PCIe 5.1 power supply with 80 Plus Gold and Cybenetics Platinum efficiency, backed by a 10-year warranty.
The Montech Century II 1200W is a strong fit for high-performance gaming systems, offering 1200W, ATX 3.1, and PCIe 5.1 readiness. Its 80 Plus Gold and Cybenetics Platinum efficiency, combined with a 10-year warranty, aligns well with the demands of modern, power-hungry components.
If you need even higher efficiency, look for power supplies with 80 Plus Platinum or Titanium certification.
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Pros
- Delivers 1200 watts of power, ready for ATX 3.1 and PCIe 5.1 systems with an included 12V-2x6 cable.
- Achieves 80 Plus Gold and Cybenetics Platinum efficiency, indicating high energy conversion across various loads.
- Features a 135mm Fluid Dynamic Bearing fan with a Smart Zero Fan mode for quiet operation at low loads.
- Built with 100% Japanese capacitors rated for 105°C, contributing to long-term stability.
- Offers comprehensive electrical protections including OCP, OVP, UVP, SCP, OTP, and OPP.
- Comes with a 10-year warranty, providing extended coverage for hardware.
Cons
- Some users note the included cables are flat, but not 'premium' or sleeved, limiting aesthetic customization options.
- The 10-year warranty explicitly excludes power supplies used for cryptocurrency mining.
- While rated for high efficiency, it's 80 Plus Gold, not Platinum, which some competitors offer at this wattage.
- The single 12V-2x6 cable is rated for 600W, which might be a limitation for future GPUs exceeding this power draw on a single connector.
Dimension Scores
The 1200W output with 80 Plus Gold and Cybenetics Platinum certifications provides high power and efficient energy conversion.
The 135mm FDB fan with Smart Zero Fan mode allows for silent operation under low loads.
It uses 100% Japanese capacitors rated for 105°C and includes a full suite of electrical protections.
Being fully modular with flat cables and grouped connectors significantly aids in clean cable routing and organization.
Best For
- High-end gaming PCs with power-hungry GPUs like an RTX 5090.
- New PC builds requiring ATX 3.1 and PCIe 5.1 compatibility with the 12V-2x6 connector.
- Users prioritizing quiet system operation due to the Smart Zero Fan mode.
- Builders who appreciate fully modular cabling for cleaner system aesthetics and airflow.
Not Recommended For
- Cryptocurrency mining rigs, as the warranty specifically excludes this use.
- Budget-focused builds, given the 1200W capacity and mid-range price point.
- Users who prefer individually sleeved cables directly from the manufacturer.
Watch Out For
- The 10-year warranty is voided if the power supply is used for cryptocurrency mining, which is a specific limitation for some users.
- While fully modular, the included cables are flat, and there are no options for aftermarket sleeved cables directly from Montech, which might disappoint builders focused on aesthetics.
- One user reported an issue with a Gigabyte RTX 4090 cable potentially roasting their rig with a Montech PSU, though this appears to be an isolated incident and could be due to the GPU cable or installation rather than the PSU itself.
Full Specifications
| ASIN | B0F3XV451X |
| Brand | Montech |
| Color | Silver |
| Series | Century ll 1200W |
| Wattage | 1200 watts |
| Model Name | Century ll 1200W |
| Form Factor | ATX |
| Item Weight | 5.29 pounds |
| Manufacturer | Montech |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 1500 |
| Item model number | 17-959-010 |
| Compatible Devices | Gaming Console |
| Product Dimensions | 10 x 10 x 10 inches |
| Item Dimensions LxWxH | 10 x 10 x 10 inches |
| Item dimensions L x W x H | 10 x 10 x 10 inches |
What Buyers Say
What really stands out is how many users are confidently pairing this 1200W unit with top-tier, power-hungry GPUs like the RTX 5090, suggesting it's holding its own in demanding setups. The fully modular design and flat cables are consistently mentioned as making builds much tidier, which is a big win for anyone who cares about aesthetics and airflow. The Smart Zero Fan mode also gets a lot of love for keeping things quiet when your system isn't under heavy load. However, some folks wish for more premium, sleeved cables right out of the box.
“Man, this thing just works, powered up my new 4090 build no sweat and it's barely making a peep, but seriously, Montech, throw in some braided cables next time!”
Common Praise
- Powers high-end components like an RTX 5090 without issues.
- Runs quietly due to the 135mm FDB fan and Smart Zero Fan mode.
- Fully modular design simplifies cable management and improves build aesthetics.
- Flat cables are flexible and easy to route within a PC case.
- Includes the necessary 12V-2x6 cable for modern GPUs.
- Offers a strong 10-year warranty for peace of mind.
Common Complaints
- Cables are flat but not individually sleeved, which some users prefer for a premium look.
- The warranty specifically excludes cryptocurrency mining, limiting its use for some.
- One isolated report of a GPU cable issue, though not directly attributed to the PSU itself.
Ownership Tips
- The Smart Zero Fan mode actually keeps the system super quiet during web browsing or light tasks, the fan only kicks in under gaming load.
- The flat cables are surprisingly easy to bend and route, making the build process less frustrating than with stiffer, round cables.
- The silver metallic finish looks pretty sharp in an open-case build, adding a subtle aesthetic touch.
- The grouping of the power connectors on the PSU itself really helps keep things organized when you're plugging in all your components.
Frequently Asked Questions
Does this PSU support the latest graphics cards?
Yes, it is ATX 3.1 and PCIe 5.1 ready and includes a 12V-2x6 cable, making it compatible with current high-end GPUs.
Is the fan noisy?
The power supply features a 135mm Fluid Dynamic Bearing fan with a Smart Zero Fan mode, which means the fan can remain off at low loads for silent operation.
What kind of warranty does it have?
It comes with a 10-year warranty, though it explicitly states that the warranty does not cover use in cryptocurrency mining.
Are the cables modular?
Yes, it is a fully modular power supply, allowing you to connect only the cables you need for a cleaner build.
What efficiency rating does it have?
The Montech Century II 1200W is 80 Plus Gold certified and Cybenetics Platinum certified.
Buying Guide
When you're looking at a power supply, you're basically buying the heart of your PC. It needs to provide stable, clean power to all your expensive components. Don't cheap out here, because a bad power supply can take out your whole system. Pay attention to wattage for your components, efficiency for your electricity bill, and the connectors for compatibility with your graphics card. The warranty length often tells you a lot about the manufacturer's confidence in their product.
Wattage (1200W)
This is the total power your PSU can deliver. Think of it like the horsepower of a car; you need enough to run all your components, especially your CPU and GPU, without straining the engine. 1200W is a lot, suitable for high-end gaming rigs with powerful graphics cards.
80 Plus Gold & Cybenetics Platinum
These are efficiency ratings. They tell you how much of the power drawn from the wall actually goes to your components, versus how much is wasted as heat. Higher ratings (like Platinum) mean less wasted energy, which translates to lower electricity bills and less heat inside your case.
ATX 3.1 & PCIe 5.1 Ready with 12V-2x6 Cable
This means the PSU is built for the newest generation of PC hardware, particularly graphics cards. The 12V-2x6 cable is a new, single connector designed to deliver a lot of power directly to modern GPUs, simplifying cabling and ensuring stable power delivery.
Fully Modular
This refers to the cables. A fully modular PSU lets you detach every single cable that isn't needed. This is a huge win for cable management, making your PC build look much cleaner and improving airflow inside the case, like tidying up all the loose wires in your living room.
Alternatives
If this PSU doesn't fit, consider looking for units with higher 80 Plus Platinum or Titanium efficiency for maximum energy savings, or a lower wattage PSU if your components don't demand 1200W.



