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Power Distribution

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

Aerocool E85M-550 power supplyFigure 17: Power supply label

This power supply has two +12 V rails, and we can confirm that the over current protection (OCP) circuit supports two +12 V channels, and the unit has the necessary “shunts” (current sensors).

The available rails are distributed like this:

  • +12V1 (solid yellow wire): Main motherboard cable, SATA connectors, peripheral connectors, and one of the video card connectors
  • +12V2 (yellow/blue wire): ATX12V/EPS12V connectors, and one of the video card connectors

Now let’s see if this power supply can really deliver 550 W.