Thermaltake W0029 Fanless Purepower 350 PSU

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The main casing is a bit reminiscent of the Coolmax Taurus in basic look and finish. Of course, the copper external heatsinks are quite unique. They looks as if they were pulled off a CPU heatsink.

Three heatpipes run through the external copper fins. The black anodized aluminum "surround" provides protection from shock.
The design is meant to take advantage of rising air passing through the fins for convection cooling.

The inside of the unit also sports copper fins, a smaller set, connected to two heatpipes.

An important structural note: Both sets of external copper heatsinks make physical contact only with the heatpipes. They are not secured to the PSU in any other way. This is necessary for proper thermal transfer between heatpipes and fins. However, it does mean that there is a fair amount of cantilever force at the inside end of the external heatpipes, because that big stack of copper fins represents a fair mass at the outside end. This is why the 3-sided protective surround is necessary for the outside copper fins. It also means that rough treatment in transit such as a 4~6 foot drop could be enough force to break something loose, as it did for smaller set of copper fins in the first sample.

The cables are nicely done, with tidy mesh sleeving over all the cables.

The cables are fairly long, and there is an extensive collection of connectors.

There are a total of six cable sets.

  • 19" sleeved cable for main 20-pin ATX connector. It can be used with new 24-pin motherboards, but some will not like it.
  • 19" AUX12V connector
  • 2 x 37" cable with three 4-pin IDE drive connectors and one floppy drive power connector
  • 31" cable with three 4-pin IDE drive connectors
  • 26" cable with two SATA drive connectors

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