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Montech Power Supplies


Full Modular Gold Certified Power Supply

80 Plus Gold Certified
Full-Bridge LLC Resonant Converter and DC-DC Technology
100% High Quality Japanese 105°C/221°F Capacitors
FDB Premium Fan
5 Years Warranty

Montech Power Supplies

The One We Have Been Waiting For


The Century series brings a premium power supply unit in 550, 650, 850 wattage. It offers 80 Plus Gold efficiency rating, full modular cables, premium FDB fan, 100% Japanese high-quality capacitors.

And it features superior full bridge LLC resonant converter together with DC-DC circuity, put this product on the mountain top for gold power supply.

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Century series is certified to 80 PLUS® Gold, it can effectively save the energy consumption and guaranties a minimum of 90 % efficiency, producing less heat generation. Also, the series has been optimized with all generations of Intel's processors to maximize energy saving.

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Century series use the framework of full bridge LLC resonant converter together with DC-DC circuity, plus the 100% Japanese capacitors and the rest of high- quality components.
Making this power supply reliable for safety and stable voltage outputs, better performance and higher efficiency.

Montech Power Supplies


100% Japanese 105°C/221°F Capacitors

Century series adopts 100% Japanese industrial level electronic capacitors for high durability, also achieve tight voltage and low ripple noise to enhance performance.
Moreover, they are durable in high temperature and high pressure, therefore can effectively increase the lifespan of computer components.

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Premium Fluid Dynamic Bearing (FDB) fan is designed to enhance the impact absorbance effects of oil. It generates less noise and heat than most of the other bearing fans. And, it can effectively reduce friction and vibration due to the lubrication of the bearing surface. Therefore, more reliable performance and considerably longer lifespan.

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Use "only" the cables you need! It can reduce cable clutter whichcan increase airflow to allow efficient operation.


The modular cables are longer than normal power supply, makes the cable management even easier.

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Montech Power Supplies

5 years warranty

The century series offers 5 years of warranty. This shows our confidence and the quality of this power supply.

"Warranty service doesn't extend to power supply used for Bitcoin Miner."


Product Name CENTURY 550 / 650 / 850
ATX Version ATX12V
PFC Active PFC (>0.9 typical)
Input Voltage 100-240Vac
Input Current 8A / 9A / 12A
Input Frequency 47-63Hz
Dimensions (L*B*H) 140*150*86mm
Fan Size 120mm ( FDB Fan )
Hold Up Time 10msec (minimum) at 80% of full load at 230Vac input.
Efficiency 90% Typically
MTBF >100,000 Hours
Operating Temperature 0-45°C
Protections OVP / OPP / OTP / SCP / OCP
Regulatory cTUVus / TUV / CB / CE / CCC / RoHS / FCC
Connectors M/B 20+4Pin 1 / 1 / 1
CPU 4+4Pin 2 / 2 / 2
PCIE 6+2 2 / 4 / 6
SATA 8 / 8 / 10
Molex 4Pin 3 / 3 / 3
FDD 1 / 1 / 1
AC INPUT 100-240Vac 47-63Hz 8.0A
DC OUTPUT +3.3V +5V +12V -12V +5VSB
Max. Output Current 20A 20A 45.5A 0.3A 2.5A
Max. Output Power 100W 546W 3.6W 12.5W
Total POWER 550W
AC INPUT 100-240Vac 47-63Hz 9.0A
DC OUTPUT +3.3V +5V +12V -12V +5VSB
Max. Output Current 20A 20A 54A 0.3A 2.5A
Max. Output Power 100W 648W 3.6W 12.5W
Total POWER 650W
AC INPUT 100-240Vac 47-63Hz 12.0A
DC OUTPUT +3.3V +5V +12V -12V +5VSB
Max. Output Current 20A 20A 70.5A 0.3A 2.5A
Max. Output Power 110W 846W 3.6W 12.5W
Total POWER 850W