MONTECH CENTURY II 850W Fully Modular Gaming PSU, ATX 3.1, PCIe 5.1, 80 PLUS Gold, Cybenetics Platinum, Native 12V-2×6, 135mm FDB Fan & Smart Zero Mode | Chrome & Graphite
112 $
Categories: COMPUTER PARTS, Power Supplies
CENTURY II 850W — Expert Features
- 850W Continuous Power : Delivers 850W of rated power, with up to 849.6W available on the +12V rail for demanding gaming hardware.
- 80 PLUS Gold Efficiency : Gold-certified electrical efficiency helps reduce wasted energy and unnecessary heat.
- Cybenetics Platinum Efficiency : Independently tested and certified Platinum for efficiency under the Cybenetics certification program.
- ATX 3.1 Compatibility : Built around modern ATX 3.1 requirements for contemporary high-performance PC systems.
- PCIe 5.1 with Native 12V-2×6 : Includes one native 16-pin 12V-2×6 cable for compatible next-generation GPUs.
- Fully Modular Flat Cables : Connect only the cables your system needs for neater routing, better serviceability and easier upgrades.
- 100% Japanese Capacitors : High-quality Japanese capacitors support stable, long-term electrical performance.
- Advanced Power Conversion : Active PFC, Half-Bridge LLC and DC-to-DC architecture optimize electrical conversion and regulation.
- 135mm FDB Cooling : Large fluid-dynamic-bearing fan delivers efficient airflow with reduced mechanical noise.
- Smart Zero Fan Mode : Stops the cooling fan under sufficiently light loads to keep everyday operation quiet.
- Compact 140mm Depth : Manufacturer-listed 140mm depth makes fitment practical across compatible ATX cases.
- Six Protective Circuits : OPP, OVP, UVP, SCP, OCP and OTP protect against multiple abnormal electrical conditions.
- Full-Range AC Input : Supports 100–240V AC at 50–60Hz for flexible regional electrical compatibility.
- Extensive Modular Connectivity : One 20+4-pin motherboard, two 4+4-pin EPS, four 6+2-pin PCIe, one native 12V-2×6, eight SATA and four Molex connectors.
- 1-Year Manufacturer Warranty : Manufacturer-listed 1-year coverage; service exclusions apply, including cryptocurrency-mining use.












CENTURY II 850W — Expert Specs
General Specifications
| Specification | Details |
|---|---|
| Brand | MONTECH |
| Series | CENTURY II |
| Model | CENTURY II 850W |
| Product Type | Fully Modular ATX Power Supply |
| Rated Output | 850W |
| Finish | Metallic Silver Top / Black Chassis |
| ATX Form Factor | ATX (140mm Depth) |
| Dimensions (L × W × H) | 140 × 150 × 86mm |
| ATX Standard | ATX 3.1 |
| PCIe Standard | PCIe 5.1 |
| GPU Power Interface | Native 12V-2×6 (16-Pin) |
| 80 PLUS Certification | Gold |
| Cybenetics Efficiency Certification | Platinum |
| Cable System | Fully Modular |
| Cable Design | Flat |
| Fan Size | 135mm |
| Fan Bearing | Fluid Dynamic Bearing (FDB) |
| Low-Load Cooling | Smart Zero Fan |
| Capacitors | 100% Japanese |
| Power Architecture | Active PFC / Half-Bridge LLC / DC-to-DC |
| Operating Temperature | 0–40°C |
| Protection Systems | OPP / OVP / UVP / SCP / OCP / OTP |
| Manufacturer Warranty | 1 Year; exclusions apply |
| EAN | 4710562747263 |
Electrical Specifications
| Specification | Details |
|---|---|
| AC Input Voltage | 100–240V |
| AC Input Frequency | 50–60Hz |
| Maximum AC Input Current | 10A |
| +3.3V | 20A |
| +5V | 20A |
| +12V | 70.8A |
| -12V | 0.3A |
| +5VSB | 3A |
| Combined +3.3V / +5V Power | 100W |
| Maximum +12V Power | 849.6W |
| Maximum -12V Power | 3.6W |
| Maximum +5VSB Power | 15W |
| Total Rated Power | 850W |
Modular Cables
| Cable Type | Cables | Total Connectors |
|---|---|---|
| ATX Motherboard 20+4 Pin | 1 | 1 |
| CPU EPS 4+4 Pin | 2 | 2 |
| PCIe 6+2 Pin | 2 | 4 |
| Native 12V-2×6 16 Pin | 1 | 1 |
| SATA | 2 | 8 |
| Peripheral Molex | 1 | 4 |
Efficiency note: 80 PLUS Gold and Cybenetics Platinum are different certification programs. Manufacturer warranty terms and local service conditions may vary.
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