Our load tests utilize a couple of FAST ATE active load testers and a variety of other equipment such as an oscilloscope, power conditioner, temperature probe and a power consumption meter. You can read more about our standard testing approach here.
The tests performed are based around six conceivable setups that are out there and progressively load down the PSU up to the power supply's limits or 1000W, whichever comes first. Since our test equipment's limits are greater than the Toughpower XT 875W, we can test it to the maximum.
The Thermaltake Toughpower XT 875W performed excellent throughout all of our tests. Depending on how you look at things, you might even say that it performed better than the Toughpower Grand.
The Toughpower XT 875W boasts better line regulation and keeps the voltage tolerances even smaller than that of the Toughpower Grand, but it sacrifices some efficiency and has more ripple on the 12V rail. None of this ever comes close to going out of specification and it is one of the best power supplies that I have tested to date.
Thermaltake has produced another rock solid power supply that is well deserving of your money. If you are looking for a power supply that is capable of delivering rock solid power to a high end system with up to two GPU's, it will be hard to beat the quality and price of the Toughpower XT 875W.
Almost everything is perfect with the Toughpower XT and the only negative things to fault the Toughpower XT for are trivial. These would be that all of the PCI-E cables are of the same length and that it vents some of the hot air from the power supply into case.
It would be hard to find a better power supply in the 800W-900W range.
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