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BFG ES-800 Power Supply Review

ES-800 is a power supply using a different internal design called “frequency conversion”, with BFG claiming it provides higher efficiency. Is that so? Let’s check this out.

Home » BFG ES-800 Power Supply Review

Power Distribution

Contents

  • 1. Introduction
  • 2. A Look Inside The ES-800
  • 3. Transient Filtering Stage
  • 4. Primary Analysis
  • 5. Secondary Analysis
  • 6. Power Distribution
  • 7. Load Tests
  • 8. Overload Tests
  • 9. Main Specifications
  • 10. Conclusions

In Figure 17, you can see the power supply label containing all the power specs.

BFG ES-800 power supplyFigure 17: Power supply label.

This power supply has four virtual rails, distributed like this:

  • +12V1: Main motherboard cable, peripheral power cables and SATA power cables.
  • +12V2: EPS12V/ATX12V cable.
  • +12V3: One of the video card auxiliary power cables.
  • +12V3: The other video card auxiliary power cable.

This distribution is just perfect.

Now let’s see if this power supply can really deliver 800 W.

Continue: Load Tests

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