This power supply has the following specs:

• +3.3 V: 21 A
• +5 V: 26 A
• +12V1: 16 A
• +12V2: 17 A
• -12 V: 0.6 A
• +5VSB: 2.5 A

As you can see this power supply has two virtual rails, the first one rated at 16 A and the second one rated at 17 A. On +12V1 we have all peripheral connectors and the video card auxiliary power cable, while on +12V2 we have the motherboard main cable and the ATX12V cable.

Now let’s see if this power supply can really deliver 450 W of power.