In Figure 13, you can see the power supply label containing all the power specs.

click to enlarge
Figure 13: Power supply label.

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

• +12V1 (yellow with black stripe wire): ATX12V/EPS12V connectors and one of the video card auxiliary power cables.
• +12V2 (solid yellow wire): All other cables.

Now let’s see if this power supply can really deliver 650 W.