Montech Century II 1200W ATX v3.1 PSU Review

The Montech Century II line lists three members, with capacities ranging from 850W to 1200W. In today’s review I will put to the test the strongest model, and compare it with other popular offerings in this Wattage category.

The Montech Century II 1200W is (or will be) included in my best ATX v3.x & PCIe 5.x PSU picks article.

Montech is making an effort to expand its presence in the PSU market by introducing new lines. One of them is the Century II, which consists of three models with capacities ranging from 850W to 1200W. In today’s review, I will examine the strongest member of the line to determine whether it meets the requirements to compete with other popular choices in this category. With a price of just 130 dollars on Amazon.com, the 1200W Century II model already leaves a highly favorable impression on me.

Look at our best ATX v3.1 PSU guide before buying your next PSU.

High-Capacity ATX v3.1 PSU Reviews:

Technical Specifications:
  • Manufacturer (OEM): Shenzhen Xinweiye Technology
  • Max Power: 1200W
  • Cybenetics Efficiency: [115V] Cybenetics Platinum (89.940%), [230V] Cybenetics Platinum (92.169%)
  • Noise: Cybenetics A- (25-30 dB[A])
  • Compliance: ATX v3.1, EPS 2.92
  • Operating Temperature (Continuous Full Load): 0 – 50 °C
  • Alternative Low Power Mode support: Yes
  • Power 12V combined: 1200W
  • Number of 12V rails: 1
  • Power 5V + 3.3v: 100W
  • Power 5VSB: 15W
  • Cooling: 135mm Fluid Dynamic Bearing Fan (HA13525H12F-Z)
  • Semi-Passive Operation: ✓ (Selectable)
  • Modular Design: Yes (Fully)
  • High Power Connectors: 2x EPS (2x cables), 6x PCIe 6+2 pin (3x cables), 1x PCIe 12+4 pin (600W)
  • Peripheral Connectors: 12x SATA (3x cables), 4x 4-pin Molex (1x cable)
  • ATX Cable Length: 595mm
  • EPS Cable Length: 700mm
  • 12+4 pin PCIe Cable Length: 600mm
  • 6+2 pin PCIe Cable Length: 600mm
  • Distance between SATA/4-pin Molex: 150mm
  • In-cable capacitors: No
  • Dimensions (W x H x D): 150 mm x 85 mm x 140mm
  • Weight: 1.53 kg (3.37 lb)
  • Warranty: 10 years
  • MSRP (excluding VAT): $130

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 100 3 0.3
Watts 100 1200 15 3.6
Total Max. Power (W) 1200
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7 thoughts on “Montech Century II 1200W ATX v3.1 PSU Review

  1. Thank you so much for this! I’ve been waiting for this review forever haha. One question: for your note on the lack of protection feature “The matter that Montech needs to take into account is the unit’s protection features, where I noticed some unusual settings in the over current protection on the minor rails that need to be corrected accordingly.”, what type of users/use cases will need to pay attention to this and may potentially want to opt for a unit with better protection? Thanks.

    1. I am afraid there is not much a user can do to avoid issues with not properly tuned protection features. There is no way to constantly monitor the PSU or avoid situations where a rail can be overloaded by a part malfunction, for instance. This is why I pay so much attention to protection features.

      1. Thanks for the response. That is *slightly* concerning then haha. Would you have any insights regarding the Super Flower Leadex III 1000 Watt unit? It’s now this 1200W Montech unit for $130 or that 1000W Leadex III unit for $110 for me. $20 difference. Great deal on both. I know you did a review on the 1300W unit and that one also did not seem to have flying colors with it so I guess it’s time I pick my poison haha. Thanks.

        1. Leadex units are made by SF itself, not from another OEM, so typically they are pretty good PSUs. About the protection features on this specific unit, not sure though until l check it.

          1. Would you just err on the safe side and get a Corsair RM850x Shift then? It is also in the same price range for me. I was interested in these 1000W+ units because of their prices, but if neither the Montech Century II nor Super Flower Leadex III 1000W ATX 3.1 have solid protection features, I’d rather get a less wattage unit for better protection. I only have a 5070 Ti. Thanks.

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