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Rectangular black power supply with 120 mm fan and modular cable sockets

Montech

Montech Century G5 750 power supply

SKU CH-5DND-DH0ZE MPN Century G5 750

A fully modular 750 W ATX 3.0 power supply with 80 PLUS Gold efficiency, a 120 mm FDB fan, Japanese capacitors and a native 12+4 pin PCIe 5.0 connector

  • Max wattage750 W
  • Power efficiency90% Typically
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm (FDB Fan)
  • Power factor correctionActive PFC (>0.9 typical)
  • Main power connector20+4Pin

Model ATX 3.0 80+ Gold (750W)

  • 80 PLUS Gold certification delivers 90% typical efficiency
  • Intel ATX 3.0 and PCIe 5.0 ready for modern graphics cards
  • Full-bridge LLC topology with DC-DC conversion ensures stable power delivery
  • 100% Japanese 105°C capacitors and FDB fan provide reliable, quiet cooling
  • Fully modular design with six protection circuits simplifies cable management

Power for PCIe 5.0 builds

The Montech Century G5 750 delivers 750 W through an Intel ATX 3.0 compliant design. A native 12+4 PCIe 5.0 connector supports modern graphics cards without adapters. Full modular cabling lets you install only the leads your build requires.

Thermals and efficiency

80 PLUS Gold certification means typical efficiency reaches 90 percent at typical loads. The 120 mm fluid-dynamic-bearing fan runs quietly while the full-bridge LLC topology keeps internal temperatures low. Active PFC maintains a power factor above .9 across the 100 to 240 V input range.

Build integration

A compact 150 mm depth fits most ATX cases and leaves room for cable routing behind the motherboard tray. Two CPU 4+4 pin connectors, three SATA cables with six plugs, and a Molex chain cover storage and peripherals. Japanese 105 °C capacitors and six protection circuits provide long-term reliability.

How it compares

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

Price $82.99
Cheaper than about 74% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMontech
Model nameCentury G5 750
Product typeIntel ATX12 V
Ports & slots
SATA power connectors3
Output type+3.3 V@20A, +5 V@20A
Connection typesM/B 20+4Pin x 1
CPU 4+4Pin x 2
PCIE 6+2 x (2 Connectors)*2
SATA x (6 Connectors)*3
Molex 4Pin x (3 Connectors)*1
12+4PCIe 5.0 × 1
Power
Max wattage750 W
Power efficiency90% Typically
Modular cablingFull Modular
Power factor correctionActive PFC (>0.9 typical)
Main power connector20+4Pin
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOVP / OPP / OTP / SCP / OCP/ UVP
Supply voltage100–240 V
AC input frequency47–63 Hz
Rated input current10A
Size & build
Product dimensions150 × 140 × 86 mm
Product weight3.165 lb (1.44 kg)
Shipping weight2.86 kg
Package size305 × 229 × 127 mm
Compatibility
PSU length limit150 mm
Environment & compliance
Regulatory approvalscTUVus / TUV / CB / CE / FCC / RoHS / BSMI
More details
Fan configuration1 × 120 mm (FDB Fan)

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 12+4 PCIe 5.0 connector correctly, and what step do people miss?

Route the dedicated 12+4 PCIe 5.0 cable from the modular panel directly to the graphics card; the step often missed is fully seating the latch on both the PSU side and the GPU side until it clicks.

What maintenance or replacement will the 120 mm FDB fan need later?

The fluid-dynamic-bearing fan is rated for long life; typical maintenance is occasional dust removal with compressed air — no lubrication or scheduled replacement is required.

Which protection limit activates first during sustained heavy load?

Over-temperature protection (OTP) will trip before other limits if internal temperatures exceed safe thresholds under continuous high-wattage operation.

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