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Switching Power Supplies A to Z
Switching Power Supplies A to Z, by Sanjaya Maniktala (Newnes), starting at $45.00
Home » Power
Understanding the 80 Plus Certification
Author: Gabriel Torres
Type: Tutorials Last Updated: June 22, 2009
Page: 3 of 3
The Available Certifications

The difference between the four 80 Plus certifications available is summarized on the table below. The numbers presented are the minimum efficiency a power supply must present under each load in order to be granted a given certification. As explained on previous page, their numbers may be different from the numbers we see during our tests due to differences on the measuring equipment and especially on the room temperature (23º C on their tests vs. 45º - 50ºC on our tests).

 

20% Load (Light)

50% Load (Typical)

100% Load (Full)

80 Plus Standard

80%

80%

80%

80 Plus Bronze

82%

85%

82%

80 Plus Silver

85%

88%

85%

80 Plus Gold

87%

90%

87%

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