SHARE

Power Distribution

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

Enermax NAXN 82+ 750 W power supplyFigure 16: Power supply label

This power supply is sold as having two +12 V rails, which is correct, since this unit has two +12 V over current protection circuits (see previous page), and we could clearly see one “shunt” (current sensor) for each +12 V “rail.” See Figure 17. Click here to understand more about this subject.

Enermax NAXN 82+ 750 W power supplyFigure 17: Shunts

The two +12 V rails are distributed like this:

  • +12V1 (solid yellow wire): Main motherboard cable, the ATX12V connectors, the EPS12V connector, and one of the video card power connectors from the modular cabling system
  • +12V2 (yellow/green and yellow/blue wires): The two video card power connectors that are permanently attached to the power supply, one of the video card power connectors from the modular cabling system, and the SATA and peripheral power connectors

This distribution is adequate.

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

1
2
3
4
5
6
7
8
9
10
Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.