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Conclusions

The new Enermax NAXN 82+ 550 W provides a terrific price/performance ratio for the user who is looking for an affordable power supply with good efficiency for a mainstream PC.

During our tests, efficiency was between 82.6% and 86.5%, which is perfect for the mainstream user. As you know, there are several power supplies with the 80 Plus Bronze certification that can’t deliver 82% efficiency at full load under high temperatures. Noise and ripple levels were very low all the time. Voltage regulation could be a little better and the unit could have more SATA and peripheral power connectors, but at USD 75 we can’t complain.

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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.