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Thermaltake Toughpower QFan 650W Review

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Environmental Factors:

Little concern for the environment was given when designing the packaging for this unit with the use of foam, bubble wrap, unnecessary cardboard box for the power chord and bag for the modular cables. Why can't manufacturers base their packaging on recycled cardboard and paper? It is possible with very little effort. On the plus side though is the high efficiency and good power factor exhibited by the power supply.


Price Per the Watt:

Power Supply Thermaltake Toughpower QFan 650W at $149.99 = $0.23/Watt (October 2008)


The Thermaltake Toughpower QFan 650W power supply is as good as any in its class. The accessories are excellent and I would like to congratulate Thermaltake on a well written and comprehensive user manual. The manual is written with the novice in mind and gives all the information likely to be needed and more. There is even a step by step guide, with photographs, on the installation of the motherboard power cables, graphic card power supply cables (including entry level SLI or Crossfire), peripherals (FDD, HDD, Rom drive, etc.) and SATA devices. I know this is bread and butter stuff to most of you but for the beginner this will be a welcome addition. The unit carries no approvals for SLI or Crossfire on the packaging or in the user manual. The Nvidia website however, does list the Toughpower 650W (Model W0104RU), the one supplied to me is the Toughpower QFan 650W (Model W0163RU), so please do not confuse the two. The W0163RU is a relatively new addition to the power supply range according to the Thermaltake website and, at the time of writing this review, carried no certificates for SLI or 80 Plus. It would come as no surprise to see this power supply certified for both SLI and 80 Plus some time in the near future.

With excellent DC load voltage regulation, good DC quality and efficiency of over 80% I would highly recommend the Thermaltake Toughpower QFan 650W power supply. I have no doubt it will easily power most mid to high end systems with a single graphics card but if you are considering a dual card set-up do your research first and ensure compatability with your intended system. I don't like to give too many OCC Gold Awards but this one leaves me no choice.



  • Excellent DC voltage load regulation
  • Excellent efficiency
  • Active PFC (>0.9)
  • Good DC quality
  • MTBF>120,000 hours
  • Quiet operation
  • Plenty of connectors
  • Well written user manual



  • Uncertified for SLI
  • Use of lower quality 85°C rated capacitors



OCC Gold

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specifications & 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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