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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
Montech

MONTECH Century II

Bottom line: The MONTECH Century II ($89.90 on Amazon as of 2026-10-06): 80 Plus Gold plus Cybenetics Platinum efficiency certification; main trade-off: 850W caps headroom for future 600W-class flagship GPUs.

$89.90

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Buy on Amazon — $89.90 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 80 Plus Gold plus Cybenetics Platinum efficiency certification
  • ✓ ATX 3.1 and PCIe 5.1 ready with native 12V-2x6 cable
  • ✓ Fully modular cabling for cleaner, lower-clutter builds
  • ✓ Backed by a 10-year manufacturer warranty

Cons

  • ✗ 850W caps headroom for future 600W-class flagship GPUs
  • ✗ Montech is less established than Corsair or Seasonic
  • ✗ Single 12V-2x6 connector limits multi-GPU power delivery
  • ✗ ATX 3.1 features add little for older GPUs and cases

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SpecPicks Verdict

SpecPicks scored MONTECH Century II using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Montech's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Compatible with Latest Platforms: ATX 3.1 & PCIe 5.1 ready, featuring a 12V-2x6 cable.
  • Efficiency Certificates: 80 Plus Gold certified.
  • Reliable Components: Equipped with 100% Japanese capacitors.
  • Optimized Ventilation: Includes 135mm FDB silent fan with zero RPM mode.
  • Signature of Design: MONTECH's signature design in silver matellic appearance.
  • Protection and Reliability: equipped OCP, OVP, UVP, SCP, OTP, and OPP with 10-year warranty.

Full Specifications

BrandMontech
Wattage850 watts
Fan Count1
Model NameCentury ll 850W
Model Number17-959-008
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Item Dimensions10 x 10 x 10 inches
Mfr Part Number17-959-008
Compatible DevicesDesktop
Reliable ComponentsEquipped with 100% Japanese capacitors.
Signature of DesignMONTECH's signature design in silver matellic appearance.
Warranty Description10-Year Manufacture
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
Optimized VentilationIncludes 135mm FDB silent fan with zero RPM mode.
Efficiency Certificates80 Plus Gold certified.
Item dimensions L x W x H10 x 10 x 10 inches
Full listing titleMONTECH 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

Ready to buy?

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 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $89.90

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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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
$89.90
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