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Mushkin HP-580AP Modular 580W PSU E-mail
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Written by Olin Coles   
Monday, 04 December 2006
Table of Contents: Page Index
Mushkin HP-580AP Modular 580W PSU
Features and Specifications
Packaging and Contents
Internal Components
Testing Methodology
Test Results


In this review I have demonstrated how the Mushkin HP-580AP PSU has performed during the most essential and critical tests. Compared against the Antec TP3-650 three-rail system, the Mushkin HP-580AP power supply surprised me with less consistent voltage measurements with four rails, although system stability was not affected to any degree. I noticed that in all of my multiple readings for each test, the Antec TP3-650 voltage was always the same; which is why there is little change in the results above. To be honest, I really thought that Mushkin's four-rail system would provide some additional stability over a three-rail unit.

At the time of this writing, the Mushkin HP-580AP 580W PSU is available at NewEgg for $139.99, which is a bargain since similar rated power supplies are priced higher with fewer features. Add to this price the fact that you will have a quad-rail power supply that can handle the most demanding load, and you have yourself a real winner. I recommend the Mushkin HP-580AP 580W PSU, it offers features above and beyond all competition, and enough power for hungry system; with a price and results prove it.

But with the good comes the bad. I love the fact that this is top-shelf technology for such a reasonable price, but it cannot be ignored that with all these high-end features the 12V power readings consistently wavered. The Mushkin HP-580AP should have had no problem achieving better voltage regulation and less power ripple with a fourth 12V power rail.

Mushkin HP-580AP - Top View


+ Extremely quiet operation
+ Good performance
+ Fully sleeved cable groups
+ Convenient modular connections
+ Quad 20A power rails
+ High-quality EMI protection and cable shielding
+ Attractive design and polished finish


- Poor DC voltage regulation
- Poor AC power ripple
- RailFusion light appears to be a gimmick


  • Presentation: 9.25
  • Appearance: 9.5
  • Construction: 9.25
  • Functionality: 7.5
  • Value: 7.5

Final Score: 8.6 out of 10.

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