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Silver ATX power supply unit with modular cables and 135 mm fan

Montech

Montech Century II 1050 1050W ATX power supply

SKU CH-GMBP-JH5AB MPN Century II 1050

A 1050 W ATX power supply with full modular cabling, 80 Plus Gold and Cybenetics Platinum efficiency, a 135 mm FDB fan with zero-RPM mode, 100 % Japanese capacitors.

  • Max wattage1050 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm
  • Main power connector20+4Pin
  • PSU length limit150 mm
  • Efficiency certification80 PLUS GOLD Certified

Model 1050W

  • ATX 3.1 and PCIe 5.1 ready with 12V-2x6 cable
  • 80 Plus Gold and Cybenetics Platinum efficiency ratings
  • 100% Japanese capacitors for long-term reliability
  • 135 mm FDB fan with zero RPM mode for quiet operation
  • Full modular design keeps cable routing clean

High-wattage ATX supply for modern builds

The Montech Century II 1050 delivers 1050 W through a fully modular ATX design. It carries 80 Plus Gold and Cybenetics Platinum efficiency ratings and uses 100 percent Japanese capacitors. A 135 mm FDB fan with zero RPM mode handles cooling. The unit measures 150 mm in length and includes a 12V-2x6 cable for current platforms.

Suited to high-end systems; not for low-power needs

This unit fits builds that require 1050 W and ATX 3.1 or PCIe 5.1 connectivity. The full modular cabling helps keep interiors tidy. Systems with modest power draw or cases limited to shorter PSU lengths should consider lower-wattage or more compact alternatives instead.

Verify case clearance and cable requirements

Confirm the chassis accepts a 150 mm deep power supply before ordering. Check that your motherboard and graphics card can use the supplied 12V-2x6 connector. Ensure the 100-240 Vac input range matches your local mains voltage.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $78.99
Cheaper than about 76% of the 10,869 comparable items (median $142.99).
Max wattage 1050 W
Higher than about 83% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameMontech
Model nameCentury II 1050
Product colorSilver
Product typeATX
Power
Max wattage1050 W
Modular cablingFull Modular
Main power connector20+4Pin
Efficiency certification80 PLUS GOLD Certified
Rated input current100-240Vac 50-60 Hz 15A-10A
Size & build
Shipping weight2.95 kg
Package size295 × 213 × 112 mm
Compatibility
PSU length limit150 mm
More details
Fan configuration1 × 135 mm

Other versions of this model

5 more in the same range

Questions about this item

Does this 1050 W unit require an ATX 3.1 motherboard and a PCIe 5.1 graphics card to use the 12V-2x6 cable?

The 12V-2x6 cable is built for ATX 3.1 and PCIe 5.1 platforms, but the PSU will still deliver power on its 20+4 pin and other modular cables to older boards and cards.

Will the 135 mm FDB fan spin constantly when paired with a legacy system that lacks modern fan-control headers?

The fan includes a zero RPM mode that stops the blades at low load regardless of the motherboard header, so it can stay silent even with older hardware.

How can I confirm the unit is meeting its 80 Plus Gold and Cybenetics Platinum ratings after installation?

You can verify efficiency by measuring input and output power with a calibrated meter under typical loads; the certifications mean the design has already passed independent lab testing at 100-240 Vac.

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