On Figure 15 you can see this power supply label containing all its power specs.
click to enlarge Figure 15: Power supply label.
There is not much to talk about here. PC Power & Cooling uses single-rail configuration for ages. So instead of separating the +12 V outputs in several rails with independent over current protection (OCP) circuits – i.e. multi-rail configuration – the manufacturer added just one OCP circuit monitoring all +12 V outputs.
Let’s now see if this power supply can really deliver 750 W of power.