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Lian-Li Silent Force 750W 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. Thought for the day. Does the inclusion of the box carry handle mean one less plastic carrier bag fluttering from the branches of the nearest tree?


Price Per the Watt:

Power Supply Lian-Li Silent Force 750W at $195.00 = $0.26/Watt (October 2008)


The Lian-Li Silent Force 750W comes with an excellent set of modular cables that will provide all of the connectors you are likely to need and more. The inclusion of a ferrite bead on the PCI-E power cables to reduce radio frequency interference is unusual but is it needed? Unfortunately I have no way of testing the effectiveness or usefulness of this feature but they certainly won't do any harm. The user manual is adequate and will provide all the information you are likely to need. One useful inclusion is pin-out diagrams for all the connectors along with the voltage and cable colour at each pin .

I can't help wonder why Lian-Li chose the slightly textured black paint finish for this power supply. Renown for their brushed aluminium PC cases, why not do a power supply to match? Perhaps they are catering for the masses.

The Lian-Li Silent Force 750W will provide what most PC users want, stable rails with low noise, 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. 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. I can't keep giving gold awards to every power supply that I test so, due mainly to some minor hiccups in efficiency and power factor, this one easily merits a OCC Silver Award.



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



  • Borderline 80 Plus
  • Uncertified for SLI


OCC Silver

  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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