Computer Servers Specification Version 3.0

Partners and other interested parties with questions or concerns regarding these materials or the revision process with Version 3.0 can contact Ryan Fogle, EPA, Fogle.Ryan@epa.gov. To be added to the contact list, stakeholders are encouraged to contact servers@energystar.gov with their contact information.  The program requirements, including the specification, and additional information will be available below.

ENERGY STAR Computer Servers SERT V2.0.6 Clarification Memo- October 3, 2022

ENERGY STAR Computer Servers SERT V2.0.6 Clarification Memo (PDF, 49 KB)

ENERGY STAR Computer Servers SERT V2.0.4 Clarification Memo- October 4, 2021

ENERGY STAR Computer Servers SERT V2.0.4 Clarification Memo (PDF, 193 KB)


Server Efficiency Rating Tool (SERT) V2.0.3 Update to ENERGY STAR Version 3.0 Program Requirements – January 29, 2020

EPA has released a memo below clarifying that certifying to the ENERGY STAR Version 3.0 Computer Servers Program shall require using the newly updated SERT Version 2.0.3 from this point forward.

ENERGY STAR Computer Servers SERT V2.0.3 Clarification Memo (PDF, 38 KB)


Server Efficiency Rating Tool (SERT) V2.0.2 Update to ENERGY STAR Version 3.0 Program Requirements – August 22, 2019

EPA has released a memo below clarifying that certifying to the ENERGY STAR Version 3.0 Computer Servers Program shall require using the newly updated SERT Version 2.0.2 from this point forward.

ENERGY STAR Computer Servers SERT V2.0.2 Clarification Memo (PDF, 85 KB)


ENERGY STAR Computer Servers Version 3.0 Final Specification – September 17, 2018

ENERGY STAR Computer Servers Version 3.0 Final Specification Cover Letter (PDF, 117 KB)
ENERGY STAR Version 3.0 Computer Servers Program Requirements (PDF, 849 KB)
ENERGY STAR Computer Servers Final Draft Version 3.0 Comment Response Document (PDF, 76 KB)


ENERGY STAR Computer Servers Version 3.0 Final Draft Specification – July 11, 2018

Computer Servers Version 3.0 Final Draft Specification Cover Letter (PDF, 96 KB)
Computer Servers Version 3.0 Final Draft Specification (PDF, 637 KB)
Computer Servers Version 3.0 Draft 3 Specification Comment Response Document (PDF, 99 KB)


Draft 3 Version 3.0 Specification Stakeholder Comments

ASAP and ACEEE Comments (PDF, 433 KB)
CEE Comments (PDF, 1.0 MB)
Fujitsu Technology Solutions Comments (PDF, 175 KB)
ITI and TGG Comments (PDF, 542 KB)
NRDC Comments (PDF, 555 KB)


ENERGY STAR Computer Servers Version 3.0 Draft 3 Specification Webinar – May 17, 2018

EPA held a webinar on  May 17, 2018 to discuss Draft 3 of the Version 3.0 Computer Servers specification. Please send all written feedback to servers@energystar.gov no later than June 4, 2018.

ENERGY STAR Computer Servers Version 3.0 Draft 3 Specification Webinar Slides (PDF, 920 KB)


ENERGY STAR Computer Servers Draft 3 Version 3.0 Specification and Draft Test Method - May 3, 2018

Computer Servers Version 3.0 Draft 3 Specification Cover Letter (PDF, 101 KB)

Computer Servers Version 3.0 Draft 3 Specification (PDF, 495 KB)

Computer Servers Version 3.0 Draft Test Method (PDF, 338 KB)

Computer Servers Version 3.0 Draft 2 Specification Comment Response Document (PDF, 65 KB)

ENERGY STAR Computer Servers Draft 3 Version 3.0 Data & Analysis Package (EXCEL, 11.0 MB)

ENERGY STAR Computer Servers Version 3.0 Draft 3 Specification Webinar – March 12, 2018

EPA held a webinar on March 12, 2018 to discuss the Version 3.0, Draft 3 Computer Servers specification.

ITI_Servers_Presentation (PDF, 1.4 MB)


Draft 2 Version 3.0 Specification Stakeholder Comments

ASAP Comments (PDF, 398 KB)
CEE Comments (PDF, 1.2 MB)
Fujitsu Comments (PDF, 111 KB)
IBM Comments (PDF, 281 KB)
ITI Comments (PDF, 1.1 MB)
NRDC Comments (PDF, 410 KB)
NRDC Supplemental Comments on Memory and PSUs (PDF, 1.9 MB)


ENERGY STAR Computer Servers Version 3.0 Draft 2 Specification Webinar – August 18, 2017

EPA held a webinar on August 18, 2017 to discuss Draft 2 of the Version 3.0 Computer Servers specification. Please send all written feedback to servers@energystar.gov no later than August 28, 2017.

ENERGY STAR Computer Servers Version 3.0 Draft 2 Specification Webinar Slides (PDF, 458 KB)


ENERGY STAR Computer Servers Version 3.0 Draft 2 Specification – July 31, 2017

ENERGY STAR Computer Servers Version 3.0 Draft 2 Specification Cover Letter (PDF, 121 KB)
ENERGY STAR Computer Servers Version 3.0 Draft 2 Specification (PDF, 553 KB)
ENERGY STAR Version 3.0 Computer Servers Draft 1 Comment Response Document (PDF, 52 KB)


Draft 1 Version 3.0 Specification Stakeholder Comments

CEE Comments (PDF, 868 KB)
EU Comments (PDF, 748 KB)
IBM Comments (PDF, 271 KB)
ITI and TGG Comments (PDF, 903 KB)
ITI, SPECpower Committee and TGG WG Comments - Part 1 (PDF, 249 KB)
ITI, SPECpower Committee and TGG WG Comments - Part 2 (PDF, 233 KB)
ITI, SPECpower Committee and TGG WG Comments - Part 3 (PDF, 1.3 MB)
Lenovo Comments (PDF, 269 KB)
NRDC Comments (PDF, 365 KB)


Draft 1 Version 3.0 ENERGY STAR Computer Server Specification Stakeholder Webinar – August 12, 2016

EPA Presentation (PDF, 1.2 MB)


ENERGY STAR Computer Server Version 3.0 Draft 1 Specification – July 27, 2016

Computer Servers Version 3.0 Draft 1 Specification Cover Letter (PDF, 110 KB)
Computer Servers Version 3.0 Draft 1 Specification (PDF, 436 KB)


ENERGY STAR Computer Server Version 3.0 Launch Letter – March 17, 2016

ENERGY STAR Computer Server Version 3.0 Launch Letter (PDF, 107 KB)
Computer Servers Test Reporting Template (EXCEL, 43 KB)

Applicable Specifications: 

Electronics and Office Equipment: Enterprise Servers (PDF, 224 KB)