Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 2
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 3
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 4
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 5
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 6
Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1, photo 7
Montech

Montech Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1

SKU HC-392310MPN CENTURY II 850W

  • 850 W
  • 80 Plus Gold
  • ATX

Highlights

  • 850 W continuous output with single +12V rail delivering 849.6 W
  • 80 PLUS Gold certified for up to 92 percent efficiency
  • ATX 3.1 and PCIe 5.1 compliant with one 12V-2x6 connector
  • Fully modular design with flat cables for clean routing
  • 135 mm fan with Smart Zero Fan semi-passive operation
  • 10-year manufacturer warranty

Key specs

Wattage
850 W
Efficiency
80 Plus Gold
Fully modular
Yes
Form factor
ATX
12V-2x6 connector
Yes
Fan Size
135 mm
All specifications
$81.99
  • ≈ 0.001074 BTC
  • ≈ 0.0362 ETH
  • ≈ 82.09 USDT

In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $39.90 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Manufacturer warranty: 10 years
  • 30-day returns Unused items in original packaging
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Overview

An 850-watt fully modular ATX power supply with 80 PLUS Gold efficiency, PCIe 5.1 support, and a 135 mm fan that stays off at low loads. Built for high-end gaming PCs and workstations.

Design and Cooling

The unit measures 140 mm deep and wide, fitting most standard cases. A 135 mm fan provides airflow under load and stops completely during idle or light workloads thanks to the Smart Zero Fan mode.

Performance and Efficiency

80 PLUS Gold certification ensures up to 92 percent efficiency at typical loads. The single +12V rail delivers 849.6 watts, providing stable power for high-end GPUs and CPUs.

Connectivity

Includes one 12V-2x6 connector, four 6+2-pin PCIe, two 12V EPS, twelve SATA, and three Molex connectors. Cable lengths range from 600 mm for motherboard and GPU cables to 950 mm for SATA and Molex runs.

What Is Included

The package contains the power supply, a full set of modular cables, mounting screws, and a user manual.

Century II 80 PLUS Gold 850W Fully Modular ATX 3.1 PCIe 5.1 specifications

General
BrandMontech
Manufacturer part no.CENTURY II 850W
EAN4710562747263
Warranty10 years (manufacturer)
Fan Specifications
Fan Size135 mm
Power Supply
PSU FormatATX
12V Distributionsingle rail
Modular Power SupplyYes
Modular Typefully modular
Power Specifications
Total Power Output850 W
Power Output +12V rails849.6 W
Cable Specifications
Max. CPU Power Cable Length700 mm
Max. 24-Pin Motherboard Power Cable Length600 mm
Max. 12V-2x6 Cable Length600 mm
Max. PCIe Power Cable Length600 mm
Max. SATA Power Cable Length950 mm
Max. Molex Cable Length950 mm
Cooling
Semi Passive Power SupplyYes
Internal Ports
CPU Power Connectors 12V ATX/EPS2
12V-2x6 Power Connectors1
6+2 Pin PCIe Power Connectors4
SATA Power Connectors12
4 Pin Molex Power Connectors3
External Ports
USB HubNo
Efficiency Class
80PLUS Efficiency80 PLUS Gold
Lighting
Lighting / RGBNo
Color
Primary ColorSilver
Dimensions
Length / Depth140 mm
Width140 mm

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $39.90DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2$5.90
Other EU countriesDHL Parcel International2–8$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International3–7$24.90
United States and CanadaDHL Express Worldwide2–5$39.90
Asia and the Middle EastDHL Express Worldwide2–5$49.90
Australia and New ZealandDHL Express Worldwide3–6$59.90
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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