be quiet! Dark Power Pro 11 550W Power Supply Review

by - 7 years ago

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Over Power Protection and Max Wattage


Power supplies often quote as having various protection mechanisms such and the most important of these is Over Power Protection. In our testing we crank up the power draw until the power supply either shuts down (meaning the OPP mechanism is present and working) or blows up (meaning it is either not present or not working). We then note the maximum power consumption before the power supply shut down (or blew up).

Screenshot_172

I had a feeling that this PSU would run way past it rated wattage and I wasn’t disappointed, we managed to push it past 670W before the OPP kicked in and shut the unit down, giving us more than 20% of headroom should the system have any power spikes.

Article Index

  1. Introduction and Packaging
  2. A Closer Look - Exterior
  3. A Closer Look - Interior
  4. Test Procedure
  5. Efficiency, PFC and Voltage Regulation
  6. Ripple Testing
  7. OPP and Max Wattage
  8. Fan Speed
  9. Final Thoughts
  10. View All

Author Bio

1 Comment on be quiet! Dark Power Pro 11 550W Power Supply Review

  • Avatar Bill Jones says:

    I’m sorry but £115 on a 550W PSU is ridic no matter the quality of this. I love be quiet! but not paying that much for little wattage.

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