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Lian Li Silent Force 850W Review

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Environmental Factors:

No prizes for the packaging I'm afraid. The use of a cardboard sleeve for the box and a large foam envelope for the power supply do nothing for the environment. We again also have the black canvas type bag, probably plastic based. It's nice to have, but is it really necessary as we can all find somewhere safe to store the unused modular cables? The high efficiency and power factor do however pull it a few points back.


Price Per the Watt:

Power Supply Lian-Li Silent Force 850W at $209.00 = $0.25/Watt (December 2008)


The Lian Li Silent Force 850W comes with an excellent set of modular cables that will provide all of the connectors you are likely to need and more. The user manual is adequate and will provide all the information you need for a successful installation. One useful inclusion is pin-out diagrams for all the connectors, along with the voltage and cable colour at each pin .

The Lian Li Silent Force 850W will provide what most PC users want: stable rails up to its rated maximum power. The efficiency, although very good, is borderline as far as 80 Plus certification is concerned, and at one point we get a power factor that dips below the required level of 0.9. The DC level and ripple on the 5V0 are slightly high, but don't let this put you off using the Silent Force 850W. It's a minor problem and will not, in my opinion, affect real world operation of the supply. If efficiency and power factor aren't top of your list of requirements, then this power supply will easily run all dual graphic card configurations with ease, and is on par with other power supplies in its class. The performance of the Lian Li Silent Force 850W power supply, although not perfect, was solid.



  • Satisfactory DC voltage load regulation
  • Satisfactory DC quality
  • Active PFC
  • MTBF: >100,000 hours
  • All Japanese capacitors
  • Quiet cooling fan



  • Borderline 80 Plus
  • Uncertified for SLI
  • Slightly high voltage and ripple on 5V0 line


OCC Bronze

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation At 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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