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 uses a dual-rail design, and the rails are distributed like this:

• +12V1 (solid yellow wire): All cables but the video card auxiliary power cable.
• +12V2 (yellow with black stripe wire): Video card auxiliary power cable.

This is the best distribution, in our opinion, as the CPU and the video card are located on separated rails.

Now let’s see if this power supply can really deliver 300 W.