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Thermaltake Toughpower XT 775W Power Supply Review




Price Per the Watt:

Power Supply Thermaltake Toughpower XT 775W at $154.99= $0.20/Watt (03-2010)


The electrical performance of the Thermaltake Toughpower XT 775W with excellent DC voltage regulation from zero to full load, low noise levels and efficiency levels peaking at 88% put it up there with the best. There have been some design changes on the new range of Thermaltake Toughpower XT power supplies and the use of DC to DC converters for the +3V3 and 5V rails have no doubt helped in the production of a power supply that meets 80 Plus Bronze certification. The 80 Plus Org website has it certified at the Silver level at the time of writing this article, so it's either a mistake on their behalf, or Thermaltake made the decision to downgrade it to make sure every unit met the lower Bronze level standard.

Taking a look at the specification table shows 768W (64A) available on the 12V rail - that's almost 100% of the total power supply rating. It's never going to happen in the real world, but it is a sign of a well designed and capable power supply.

Just one or two minor gripes. Electrically it can't be faulted, but it must be said the user manual quality, with one very small section in the English language on a large folded leaflet, is very poor and gives very little technical information. It is quite common to find power supply cable lengths of  approaching 24" on high-end power supplies, but the Thermaltake Toughpower XT 775W cables measure only 20". It's only a small difference, but it's worth bearing in mind if the Thermaltake Toughpower XT 775W is to be installed into some of the larger enthusiast PC enclosures. The cables may be long enough to reach their intended hardware, but will the length be sufficient for that all important cable management?

It's a great power supply that will be more than capable of supplying very stable power to any high-end gaming/overclocking rig with single or dual graphic cards and as an added bonus, its very high efficiency will save a few cents on the electricity bill. There isn't a lot more that can be said about the Thermaltake Toughpower XT 775W power supply, except that it is thoroughly deserving an OCC Gold award, despite some minor niggles.



  • Excellent DC load voltage regulation
  • Good quality DC on all rails
  • High efficiency - 80 Plus Bronze
  • Five year warranty
  • S.P.T. indicator panel
  • FanDelayCool



  • Poor quality user manual
  • Cable lengths may be a problem in large enclosures.


OCC Gold

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