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Ten ATX Power Supplies Compared

Manufacturer: General
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Introduction

This content was originally featured on Amdmb.com and has been converted to PC Perspective's website. Some color changes and flaws may appear.

Update 12-30-03: The following sections have been updated:

  • Testing – Power Factor (added more info)
  • Testing – Efficiency… (corrected errors)
  • Conclusions – Summary Table (updated efficiency values)

Ryan and I have been collecting ATX power supplies for the
past several months.  Amdmb.com is now
ready to bring you our first head-to-head comparison of ten PC power supplies
in the 400 to 500+ watt range.  We have
included many of today’s popular units along with a few you may not have seen
before.  Six of the power supplies were
donated by the manufacturers noted above while the remainder came from my
personal stock.  Here is a group photo
and a list of the power supplies we will be comparing.





  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Aerocool
    AeroPower II 420 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Antec
    TruePower 480 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Antec
    TrueControl 550 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Enermax
    Whisper 431 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>PC
    Power & Cooling Silencer 400 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>PC
    Power & Cooling Turbo-Cool 510 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Raidtronics
    Raidmax 400 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Vantec
    Stealth 470 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Vantec
    Ion 400 watt
  • style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Zalman
    Noiseless 400 watt
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