Valid

GB/T 46662-2025Requirements and measurement methods for the dynamic energy efficiency of data centre IT systems (English PDF)

数据中心IT系统动态能效要求和测量方法

Preview PDF

This is a limited preview

Buy now to download the full PDF (11 pages)

Need quotation for your management?

Get a formal quotation for GB/T 46662-2025 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46662-2025 is the English-translated version of 数据中心IT系统动态能效要求和测量方法.

GB/T 46662-2025 is the Chinese standard "Requirements and measurement methods for the dynamic energy efficiency of data centre IT systems".

Its scope clause reads: This document specifies the dynamic energy efficiency level requirements and disclosure requirements for data center IT systems, and describes the dynamic energy efficiency of data center IT systems.

The measurement and calculation methods of the calculation parameters. This document applies to dynamic energy efficiency calculations for data center IT systems and is suitable for analyzing the energy efficiency of IT systems directly related to workload.

This information is provided for reference in the design, construction, and operation and maintenance of data centers. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 46662-2025

National Standard of the People's Republic of China

ICS: 35.020
Classification: L 60

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Abbreviations
5.Dynamic Energy Efficiency Level Requirements for Data Center IT Systems
6 Measurement of DEE Calculation Parameters in Data Center
7.DEE Calculation Method
8.Disclosure Requirements
Appendix A (Normative) Method for Estimating the Idle Power of IT Equipment

1 Scope

This document specifies the dynamic energy efficiency level requirements and disclosure requirements for data center IT systems, and describes the dynamic energy efficiency of data center IT systems.

The measurement and calculation methods of the calculation parameters.

This document applies to dynamic energy efficiency calculations for data center IT systems and is suitable for analyzing the energy efficiency of IT systems directly related to workload.

This information is provided for reference in the design, construction, and operation and maintenance of data centers.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 2887 General Specifications for Computer Venues

GB 40879-2021 Energy Efficiency Limits and Energy Efficiency Grades for Data Centers

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Data center IT system dynamic energy efficiency

Within the same time period, the power consumption of data center IT equipment minus the power consumption of all IT equipment when it is in an idle state.

The ratio to the total power consumption of the data center.

3.2 Data center total electric energy consumption

The total electrical energy consumed to maintain the normal operation of a data center.

Note. This includes the power consumption of IT equipment, refrigeration equipment, power supply and distribution systems, and other auxiliary facilities.

[Source. GB/T 32910.3-2016, 3.2, with modifications]

3.3 Data center IT equipment electric energy consumption

The total electrical energy consumed by all types of IT equipment within a data center.

3.4 IT equipment idle mode power consumption

Power consumption of IT equipment in idle state.

Note. IT equipment idle state refers to the IT equipment having completed initialization, with the operating system and firmware in a responsive state, but not executing any business workload.

The internal heat dissipation components (fans, etc.) of the equipment are in a working mode that maintains the minimum operating requirements of the equipment. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 46662

Edition	Title	Revision	Status
GB/T 46662-2025	Requirements and measurement methods for dynamic energy efficiency of data center IT systems	current edition	Current

This page sells the current edition, GB/T 46662-2025. Earlier editions are listed for reference only.

How to Download GB/T 46662-2025

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.