Articles: Cases/PSU

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Circuit Design

The PSU has a very familiar interior. I have seen it selling under other trademarks including Thermaltake, Corsair and Hiper. The color of the heatsinks, PCB and heat-shrinkable pipe on the chokes varies from brand to brand, but the rest remains the same.

The explanation is simple. These PSUs are produced for Ikonik by Channel Well. And while the above-discussed models of the DSA series are rather new, the PSH series has been around for long and has been already tested in our labs. For example, the Thermaltake Purepower RX that I have mentioned a few paragraphs previously is Channel Well’s PSH series, too. It only has a lower wattage rating and, consequently, smaller heatsinks.

In terms of circuit design these are typical modern upper-mainstream power supplies with dedicated voltage regulation and active PFC but without various newest technologies. The PSH series won’t let you down if you need just a good product, though.

Of course, the copper color of the heatsinks in the photo above is deceptive because they are actually made from aluminum. As a matter of fact, the color of heatsinks has no effect on the efficiency of heat transfer in PSUs with active cooling. It just reflects the aesthetic choice of the PSU maker.

Capacitors from Nippon Chemi-Con (also known as United Chemi-Con) are installed at the output of these Vulcan series PSUs. They are deservedly considered among the best available.

Cables and Connectors

The PSUs are equipped with the following cables and connectors:

  • Mainboard cable with a 20+4-pin connector (65cm)
  • CPU cable with a 4+4-pin connector (50cm)
  • Two graphics card cables with one 6+2-pin connector on each (50cm; the 850W model only because the 650W model does not have fixed power cables for graphics cards)
  • Two connectors for graphics card cables
  • Four connectors for peripheral power cables

Included with the PSUs are (there is no difference between the two models here):

  • Two graphics card cables with one 6+2-pin connector on each (64cm)
  • One cable with two Molex and one floppy-drive plug on each (65+15+15cm)
  • One cable with three Molex connectors (65+15+15cm)
  • Two cables with three SATA power connectors on each (65+15+15cm)

There is nothing surprising about this set of connectors, but the length of the cables is a generous 65cm to the first plug. I guess these Vulcans should not be installed into cramped system cases but they are going to be interesting for users who have full-tower cases or cases in which the cables go under the mainboard.


The junior model can yield up to 624W (out of the total of 650W) via its +12V rail which is split into four “virtual” lines. This is an excellent result, meaning that the effective output power of this PSU will not be lower than specified in any modern PC.

The senior model has a 200W higher overall output power but the load capacity of its +12V rail is only 120W higher than that of the 650W model. Thus, considering that today’s computers are mostly fed by the 12V rail while the other rails are loaded by about 50W only, the effective output power of the PSU will be about 800W, which is somewhat lower than specified.

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