MONTECH Century II - 850W 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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💡 How to pick a power supply
What to look for:
  • Wattage exceeds total system draw by 20-30% headroom
  • 80+ Gold or higher for efficiency
  • Modular cables reduce clutter in your case
💰 Mid-range builds: 650-750W. High-end with RTX 4080+: 850W-1000W+
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ProductWattsRatingModularColorValuePrice
MONTECH Century II - 850W 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 PSU
MONTECH Century II - 850W 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
Montech★★★★★4.6Sold by Newegg Business via Amazon
850W
80+ Gold
Full
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$89.90
Specifications
Watts850W
Rating80+ Gold
ModularFull
ATX 3.0Yes
Form FactorATX
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Good value and quality
The PSU IS GREAT! This psu provides great value for money, making budget builds perfect especially for its wattage it supplies power to everything perfectly with no issues whatsoever, it is very quiet and makes 0 noise at all, no coil whine or anything cables were also in perfect condition. Overall great psu i'd highly recommend buying it.
Kylan Edwards · 2026-04-11 · via amazon
★★★★★This unit is worth every nickel, since pennies no longer exist
It's got all the power! I'm running i7 14700kf w/ Intel arc b580 on a gigabyte UD board. The dual power plugs for the CPU, dual channel with ability to run ddr5 @ 7200Mhz without issue.
TheShoun · 2026-04-13 · via amazon
★★★★★Well built, quiet, fully modular, PCIe 5.1 & 12V-2x6 support, great price for a 850W unit
This “MONTECH Century II - 850W 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” checked all the boxes for me! I am building a gaming PC with a mATX motherboard in the smallest mATX case I can find. I should have used a SFX (small form-factor) PSU but most of them (in this wattage that I needed) are more expensive than I am willing to pay. Then I found THIS one, even though it is NOT SFX (this is actually a full sized ATX PSU), due to the fact that it is fully modular (I only need to install the cables I needed to use), and also it has 12V-2x6 to support my GeForce RTX 4070 Ti, I am still able to fit this into the case nicely. For a 850W, 80 plus gold & cybernetics platinum, with 10 years warranty unit, the price ($90) is great. Even at full blown operation, it is still running cool and quiet. It is very well built, the enclosure is nice and pretty, and all the cables seem to be of good quality. Thank you for reading this review, I hope that this review & the pictures are helpful to you in support of your purchase decision.
LL · 2025-05-18 · via amazon
★★★★★Good product
Got this for my pc and works great!
guzmanstill · 2026-04-03 · via amazon
★★★★★Good customer support
PSU works great, runs quiet, I like the smart mode. Unfortunately the fan bearing went out after 6 months and made a terrible rattling noise. Customer support was quick to send a replacement.
Rylan Sweeney · 2026-04-06 · via amazon
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$89.90
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MONTECH Century II - 850W 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 PSU