Units may be any physical format (embedded, encapsulated, open frame, rack mount, DIN-mount). 115 V Industrial lists power supplies for industrial applications.230 V lists power supplies certified for redundant, data center applications.115 V lists power supplies certified for desktop, workstation, and non-redundant server applications.Įfficiency level certifications 80 Plus test type February 2012: Dell and Delta Electronics working together were able to achieve world-first 80 Plus Titanium server power supply.October 2009: added specification for the Platinum efficiency level.First-quarter 2008: standards revised to add Bronze, Silver, and Gold higher efficiency level certifications.December 2007: over 200 PSUs on the market are 80 Plus certified and it is becoming the market standard.The specification includes 80 Plus power supply efficiency levels for desktop computers.

20 July 2007: Energy Star Computer Specification 4.0 goes into effect.November and February 2006: HP and Dell certify their PSUs to the 80 Plus specification.2006: Energy Star added 80 Plus requirements to their then-upcoming (in effect since July 2007) Energy Star 4.0 computer specifications.February 2005: the first market-ready power supply was created by Seasonic.March 2004: the 80 Plus idea was presented as an initiative at the ACEEE Market Transformation Symposium.EPRI (Electric Power Research) and Ecos Consulting (promoter of the brand) develop the Generalized Internal Power Supply Efficiency Test Protocol for desktop derived multi-output power supplies.

Updated psu tier list