In Figure 20, you can see ZM600-HP label stating all its power specs.

click to enlarge
Figure 20: Power supply label.

As you can see, this power supply has four +12 V virtual rails, distributed like this:

• +12V1 (yellow with blue stripe wire): EPS12V/ATX12V connector coming from inside the unit.
• +12V2 (yellow with green stripe wire): Second video auxiliary power connector or second CPU power connector available on the modular cabling system.
• +12V3 (solid yellow wire): Motherboard main connector and peripheral power connectors available on the modular cabling system.
• +12V4 (yellow with black stripe wire): Video card auxiliary power connector coming from inside the unit.

This power distribution is perfect.

Now let’s see if this power supply can really deliver 600 W.