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Rosewill Tachyon 550W & Silentnight 500W Review

In order to provide you with the most professional and accurate reviews, we are using the following equipment to test the performance of power supplies:

  • Modified SECC steel case with thermal generation and control components installed
  • 8 Vantek electronic loads, USB controlled
  • 3KVA VARIAC
  • Extech 380803 TrueRMS Power Analyzer
  • USB Instruments Stingray Oscilloscope
  • SL-5868P digital sound level meter
  • CompuLAB interface
  • MyPClab thermal interface
  • Labjack U3-HV interface
  • Custom calibration box
  • Custom software

More information about our testing equipment and methodology can be found in this article.


 

As expected from power supplies sharing the same design and are of similar capacity, the electrical performance of the Tachyon 550W is similar to that of the Silentnight 500W. Both units share very good voltage regulation characteristics, with the regulation of all voltage lines kept below 2% at all times. When it comes to ripple suppression, both units performed very well, with the Silentnight being marginally better than the Tachyon, which however can be explained by the slightly lower capacity of the unit.

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