3R System AK 500 Power Supply Review

Power Distribution

In Figure 16, you can see the power supply label containing all the power specs.

Figure 16: Power supply label

This power supply has two +12 V rails. We could clearly confirm this by the presence of two “shunts,” one for each +12 V rail, and the monitoring integrated circuit supports two +12 V over current protection channels. Click here to understand more about this subject.

Figure 17: The two +12 V shunts

The two rails are distributed as follows:

• +12V1: ATX12V/EPS12V connectors and main motherboard cable
• +12V2: All other connectors

This is a typical distribution for power supplies with two +12 V rails.

How much power can this unit really deliver? Let’s find out.