Articles: Cases/PSU

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Efficiency and Power Factor

Both PSUs are declared to comply with the 80 Plus standard. My tests confirm this compliance: the efficiency is only lower than 80% at very low loads (below 50W). I performed my tests in a 220V power grid. The efficiency is going to be just a little lower in an 110V power grid (the 80 Plus compliance requires 80% irrespective of the type of the power grid).

The other model shows the same results.

+5Vsb Source

The load capacity of the standby source of the Gaia PSUs is 3A. As you can see, the junior model can provide such a current easily. The output voltage deflects by less than 0.1V at that.

The senior model doesn’t differ from the junior one in this test, either.


My tests of Ikonik’s Gaia power supplies have helped achieve two goals. We have learned about the Ikonik brand and about the new DSA series from Channel Well.

Channel Well has reconfirmed its reputation of the maker of high-quality mainstream power supplies that do not have exceptional features but are also free from serious defects. From a technical standpoint, the Gaia series has no noticeable downsides. These PSUs deliver stable voltages with low voltage ripple and feature high efficiency and active PFC. They are compatible with UPSes, offer a broad selection of connectors, and produce rather little noise. Perhaps the only thing you may cavil at is that the Gaia PSUs are not exactly silent.

However, the Gaia series is somewhat more expensive than its opponents like the Thermaltake Purepower RX 550W (which has a higher wattage rating and dedicated voltage regulation) or Zalman ZM500-HP (which has handy detachable cables). The latter two brands are much more familiar to users, so Ikonik’s price policy looks questionable to me.

Talking about the two discussed models, the 50W difference in specified wattage is the only real difference between them. These two models have the same noisiness, voltage stability and cables/connectors.

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