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Main Specifications

The main specifications for the Enermax NAXN 82+ 550 W power supply include:

  • Standards: ATX12V 2.3
  • Nominal labeled power: 550 W continuous, 605 W peak at 40° C
  • Measured maximum power: 662.4 W at 47.8° C
  • Labeled efficiency: Between 82% and 86%, 80 Plus Bronze certification
  • Measured efficiency: Between 82.6% and 86.5%, at 115 V (nominal, see complete results for actual voltage)
  • Active PFC: Yes
  • Modular Cabling System: No
  • Motherboard Power Connectors: One 20/24-pin connector and two ATX12V connectors that together form an EPS12V connector
  • Video Card Power Connectors: One six-pin connector and one six/eight-pin connector on two cables
  • SATA Power Connectors: Five on two cables
  • Peripheral Power Connectors: Four on three cables
  • Floppy Disk Drive Power Connectors: One
  • Protections (as listed by the manufacturer): Over voltage (OVP), under voltage (UVP), over current (OCP), over power (OPP), over temperature (OTP), and short-circuit (SCP) protections
  • Are the above protections really available? Yes.
  • Warranty: Three years
  • Real Manufacturer: CWT
  • More Information: http://www.enermax.com.tw
  • Average Price in the US*: USD 75.00

* Researched at Tigerdirect.com on the day we published this review.

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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.