In Figure 14, you can see the power supply label containing all the power specs.

click to enlarge
Figure 14: Power supply label.

This power supply uses a single-rail design, so there is not much to talk about here. Notice that this power supply uses +12 V wires with different colors, but this doesn’t mean anything: in order to have more than one rail, a power supply must have separate over current protection circuits for each rail, which is not the case of this unit.

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