Cougar GX-S 500 W Power Supply Review

Power Distribution

In Figure 23, you can see the power supply label containing all the power specs.

Figure 23: Power supply label

As you can see, the manufacturer says this unit has two
+12 V rails. Inside the unit, we could check that the monitoring circuit really has two +12 V over current protection (OCP) channels, and we could clearly see one shunt (current sensor) per +12 V rail. See Figure 24. Click here for more information on this subject.

Figure 24: The +12 V shunts

The two rails are distributed like this:

• +12V1: All cables but the ATX12V/EPS12V
• +12V2: The ATX12V/EPS12 cable

This is the typical configuration used on power supplies with two +12 V rails.

Let’s find out how much power this unit can deliver.