In Figure 15, you can see the power supply label containing all the power specs.

click to enlarge
Figure 15: Power supply label.

This power supply has two +12 V rails distributed like this:

• +12V1 (solid yellow wire): Main motherboard cable and ATX12V/EPS12V connectors.
• +12V2 (yellow with black stripe wire): Video card, SATA and peripheral power connectors.

This is a distribution a little bit different than usual.

Now let’s see if this power supply can really deliver 620 W.